Definition of disperse in English:

disperse

verb dɪˈspəːsdəˈspərs

[with object]

1Distribute or spread over a wide area.
storms can disperse seeds via high altitudes
caravan sites could be dispersed among trees so as to be out of sight
Example sentencesExamples
- But on reaching Ireland, the livestock was dispersed among farms, with most going to two slaughterhouses in Navan and Roscommon.
- The multiple paths of communications result in the system being very robust against jamming and also allow the units to be dispersed over a wide area.
- When confronted with those distributions, many of us probably reason that some species indeed are dispersed over a wide area on the wintering grounds.
- The settlements are generally dispersed with thin occupation layers.
- A few alert colleagues were dispersed among the executive departments.
- Suburban office and industrial parks and shopping centers competed successfully with central business districts, dispersing economic activity over wide areas.
- Because the disease cannot be passed from person to person, infecting large populations would require dispersing spores over a wide area.
- Management of these conditions is currently dispersed among a plethora of programs and providers.
- Funds raised by the event will be dispersed among more than 30 Limerick charities and organisations over the coming months.
- Spores are dispersed passively by wind and rain.
- At the strategic Bagram airbase, 20 miles north of Kabul, hundreds of soldiers trucked in late over the last few days were dispersed among the derelict airport buildings.
- Bordone's talent was dispersed among saturnine portraits, mannered religious scenes and images of dark and brooding eroticism.
- The senatorial aristocracy with its widely dispersed estates had virtually disappeared, and the ownership of landed property tended to become more regional.
- Is there any indication in the tapes that they have learned how to disperse it over a wide area, say in a public theater, or a train station?
- Our Founders emphasized that immigrants would have to be dispersed among what they described as the English population in this country.
- The heat from the fire causes the pine cones to explode, dispersing seed over a wide area.
- They are found dispersed among some rocky bottom areas, but are largely found along the California coastal reefs and kelp forests.
- Space forces and systems should in general be dispersed to cover the widest possible area yet retain the ability to concentrate decisive force rapidly.
- Furthermore, as a company's scope increases, it may have to distribute its goods and services in progressively more dispersed areas.
- Evidence is dispersed among individual tourists and collectors, as personal mementoes.
Synonyms
scatter, disseminate, distribute, spread, broadcast, diffuse, strew, sow, sprinkle, pepper
literary bestrew, besprinkle
1. 1.1 Go or cause to go in different directions.
  no object the crowd dispersed
  with object the police used tear gas to disperse the protesters
  Example sentencesExamples
  In a repeat of Sunday's clashes, police in full riot gear charged the protesters and used water cannons to disperse the angry crowds.
  The crowd was dispersed when local authorities had men fire warning shots over their heads.
  At about the same time, police riding horses through the crowd stopped being effective at keeping the crowd moving and dispersing the jumping chanters.
  From a vantage point, the charging bull creating space by dispersing the crowd ahead of it, and the chasers closing the gap behind it, is a spectacle.
  Police dispersed the crowds with water cannons.
  Once they were through clapping, the crowd dispersed into different directions.
  Police quickly dispersed the crowd and dispatched the ringleaders to prison.
  Police also forcibly dispersed a slogan-shouting crowd of protesters in the adjoining city of Bhaktapur, injuring two people.
  However, there are growing signs that, even if crowds are dispersed away from Edinburgh, the protest could become inflammatory.
  Workers then dispersed peacefully in different directions, confusion and exhaustion written in their faces.
  After 10 minutes or so, the crowd was dispersed.
  Clearly there would be a lot of ‘noise’ as different groups dispersed in different directions.
  The weather took a turn for the worse as a fierce force 11 storm forced the convoy to disperse over a wide area.
  A handful of local people get off the bus, dispersing in different directions.
  Exasperated and frustrated, they dispersed in different directions, never to come together again.
  A group of about 150 protesters remained after the initial burst of rubber bullets dispersed the crowd and police continued to fire on them, a photographer at the scene said.
  Students barricaded gates with burning tyres in an effort to prevent police from gaining access and dispersing the crowds.
  Interior minister Francois Boko said soldiers had fired warning shots to disperse a crowd of protesters who had surrounded their vehicle in the neighbourhood of Be, an opposition stronghold.
  The voices of the towns people broke out into a hive of excited chatter as they began to disperse in different directions.
  If such mass protests seem to be in the works, will the mainland Chinese government have to step in to clamp down, including dispersing the crowds with riot police?
  Synonyms
  break up, split up, disband, separate, scatter, leave, go their separate ways, go in different directions
  dispel, drive away, drive off, chase away, put to flight, banish, get rid of
  rare disunite
2. 1.2 (with reference to gas, smoke, mist, or cloud) thin out or cause to thin out and disappear.
  no object the earlier mist had dispersed
  with object winds dispersed the radioactive cloud high in the atmosphere
  Example sentencesExamples
  About 30 firefighters from across the county battled for more than four hours to spray water onto the gas cloud in a bid to disperse it.
  On the 23rd, cold and dry weather blew in from the East, and this caused the clouds to disperse, lifting the veil that the Germans had been fighting under.
  Aerobic activities like cross-country skiing demand thin layers that rapidly disperse sweat and body heat - keeping you cool, not warm.
  The location could not have been better: within easy reach of Washington, yet protected by the Allegheny mountains and with prevailing winds from Canada to disperse any radiation.
  We had such hot weather and there wasn't a lot of wind to disperse it.
  A blustery wind may help in dispersing the pollen, but it will also carry it further.
  End result: clear skies letting in the sun and no strong winds to disperse the heat.
  It blew over him like a strong gust of wind, dispersing all illusions and bringing to light the unpleasant agony of truth.
  The sun had gone, I was too late in the day, and the mist had risen and dispersed, coating the sky an even grey.
  Apprehensive, thinking that he had truly been through enough already, Bill turned his head and saw that the wind was dispersing the remaining ashes of the thing that had been Bartholomew.
  There was no wind to disperse the odor that hung over Kumar like a malignant bouquet: raw kerosene, raw vegetables, raw sewage.
  The mists of my confusion were being dispersed by reading God's Word.
  Darren looked up at the ceiling fan dispersing his cigarette smoke as it hit.
  The dark clouds had dispersed a bit but there were still clouds there.
  He reasoned that any effect due to nearby cities would be more pronounced in calm conditions, when the wind could not disperse the heat.
  The clouds as if by divine interposition were entirely dispersed and I was once again invited to the grateful task of repeating my observations.
  Synonyms
  dissipate, be dispelled, thin out, dissolve, melt away, fade away, vanish, disappear, clear, lift, rise
3. 1.3Physics Divide (light) into constituents of different wavelengths.
  the ability of a material to disperse light by refraction
  Example sentencesExamples
  The ceilings are configured to disperse reflected light evenly throughout the rooms.
  When a source (such as the sun) gives off light, that light can be dispersed into a rainbow spectrum by a prism or diffraction grating.
  A flat slab of the stuff would focus light, rather than dispersing it, as normal materials would.
  Light at each end of the optical spectrum is dispersed by a different amount, since the refractive index of any medium depends on frequency.
  Within the foyer, a double-height, semi-circular void disperses soft light into the depths of the building.

adjectivedɪˈspəːsdəˈspərs

Chemistry

attributive Denoting a phase dispersed in another phase, as in a colloid.
emulsions should be examined after storage for droplet size of the disperse phase
Example sentencesExamples
- Technically, the liquid which forms droplets is known as the disperse phase, and the liquid in which these drops are scattered is known as the dispersion medium.
- The particles are referred to as the disperse phase while the other phase is termed the dispersion medium or continuous phase.
- These variables allow to control the diameter of the disperse phase droplets (emulsion or microemulsion).
- The colloidal particles of the disperse phase are equivalent to the solute of a solution and the continuous phase is equivalent to the solvent.

Derivatives

disperser

noun

Microbes, invertebrate fruit consumers (especially insect larvae), and vertebrate dispersers can thus be viewed as competitors for access to a rich but transient nutritional substrate.
Example sentencesExamples
- One hundred twenty-eight natal males from the three study clans survived beyond the age of 16 months and thus were potential dispersers.
- In particular, they may attract a diverse array of seed dispersers by offering an essential, but scarce micronutrient.
- Many juveniles (mainly short-distance dispersers; data not shown) made exploratory trips before dispersal, usually of distances of less than 1 km from the birth site.
- I ranked the fatness of dispersers (in the year before they dispersed) and the fatness of other workers of similar length in the colonies from which they dispersed.

dispersible

adjective

He has huge quantities of a nasty and virulent form of the anthrax virus, and is currently engaged in further developing the more easily dispersible and effective dry micro-powder forms.
Example sentencesExamples
- Because cocoa does not dissolve, highly dispersible products work better for dairy applications, says Stunek.
- Efflorescence is caused when soluble salts and other water dispersible materials come to the surface of concrete and mortars.
- To minimize this problem, chemical companies developed the dry flowable and water dispersible granular formulations.
- It is especially common in soils that have high expansion rates and/or highly dispersible clay minerals, and in locations which experience intense sequences of wet and dry periods.

dispersive

adjective dɪˈspəːsɪvdəˈspərsɪv

Energy dispersive spectrometry is one of several methods used to analyze an X-ray fluorescence signal.
Example sentencesExamples
- Reduce the risk of chemical bums by preventing antiseptic agents from pooling under the patient, electrosurgical unit dispersive pad, electrodes, or pneumatic tourniquets.
- It is clear from our studies that although dispersive light scattering perturbs band intensities, neither absorption flattening nor differential scattering is sufficient to account for these changes.
- This slight shifting reflects the solvent-excited state interactions and is likely governed primarily by dispersive interactions.
- This signal at extended wavelengths outside of absorbance bands is characteristic of the dispersive part of differential light scattering.

Origin

Late Middle English: from Latin dispers- 'scattered', from the verb dispergere, from dis- 'widely' + spargere 'scatter, strew'.

aspersion from Late Middle English:
To engage in casting aspersions is almost literally mud-slinging. Aspersion originally meant ‘sprinkling water or other liquid on someone’, especially in baptism, and came from Latin spargere ‘to sprinkle’ (the root of disperse (Late Middle English) ‘scatter widely’, and intersperse (mid 16th century) ‘sprinkle between’). Sprinkling a person with water developed into the idea of spattering them with something less pleasant, such as mud or dung. This in turn led to the notion of soiling a person's reputation by making false and damaging insinuations against them. See also slur

Definition of disperse in US English:

disperse

verbdəˈspərsdəˈspərs

[with object]

1Distribute or spread over a wide area.
storms can disperse seeds via high altitudes
camping sites could be dispersed among trees so as to be out of sight
Example sentencesExamples
- A few alert colleagues were dispersed among the executive departments.
- The settlements are generally dispersed with thin occupation layers.
- The heat from the fire causes the pine cones to explode, dispersing seed over a wide area.
- Space forces and systems should in general be dispersed to cover the widest possible area yet retain the ability to concentrate decisive force rapidly.
- When confronted with those distributions, many of us probably reason that some species indeed are dispersed over a wide area on the wintering grounds.
- Funds raised by the event will be dispersed among more than 30 Limerick charities and organisations over the coming months.
- At the strategic Bagram airbase, 20 miles north of Kabul, hundreds of soldiers trucked in late over the last few days were dispersed among the derelict airport buildings.
- But on reaching Ireland, the livestock was dispersed among farms, with most going to two slaughterhouses in Navan and Roscommon.
- Evidence is dispersed among individual tourists and collectors, as personal mementoes.
- Suburban office and industrial parks and shopping centers competed successfully with central business districts, dispersing economic activity over wide areas.
- Furthermore, as a company's scope increases, it may have to distribute its goods and services in progressively more dispersed areas.
- Bordone's talent was dispersed among saturnine portraits, mannered religious scenes and images of dark and brooding eroticism.
- They are found dispersed among some rocky bottom areas, but are largely found along the California coastal reefs and kelp forests.
- Is there any indication in the tapes that they have learned how to disperse it over a wide area, say in a public theater, or a train station?
- The senatorial aristocracy with its widely dispersed estates had virtually disappeared, and the ownership of landed property tended to become more regional.
- The multiple paths of communications result in the system being very robust against jamming and also allow the units to be dispersed over a wide area.
- Management of these conditions is currently dispersed among a plethora of programs and providers.
- Our Founders emphasized that immigrants would have to be dispersed among what they described as the English population in this country.
- Spores are dispersed passively by wind and rain.
- Because the disease cannot be passed from person to person, infecting large populations would require dispersing spores over a wide area.
Synonyms
scatter, disseminate, distribute, spread, broadcast, diffuse, strew, sow, sprinkle, pepper
1. 1.1 Go or cause to go in different directions or to different destinations.
  no object the crowd dispersed
  with object the police used tear gas to disperse the protesters
  Example sentencesExamples
  If such mass protests seem to be in the works, will the mainland Chinese government have to step in to clamp down, including dispersing the crowds with riot police?
  Students barricaded gates with burning tyres in an effort to prevent police from gaining access and dispersing the crowds.
  At about the same time, police riding horses through the crowd stopped being effective at keeping the crowd moving and dispersing the jumping chanters.
  The weather took a turn for the worse as a fierce force 11 storm forced the convoy to disperse over a wide area.
  Interior minister Francois Boko said soldiers had fired warning shots to disperse a crowd of protesters who had surrounded their vehicle in the neighbourhood of Be, an opposition stronghold.
  Once they were through clapping, the crowd dispersed into different directions.
  The crowd was dispersed when local authorities had men fire warning shots over their heads.
  After 10 minutes or so, the crowd was dispersed.
  From a vantage point, the charging bull creating space by dispersing the crowd ahead of it, and the chasers closing the gap behind it, is a spectacle.
  Exasperated and frustrated, they dispersed in different directions, never to come together again.
  The voices of the towns people broke out into a hive of excited chatter as they began to disperse in different directions.
  Workers then dispersed peacefully in different directions, confusion and exhaustion written in their faces.
  In a repeat of Sunday's clashes, police in full riot gear charged the protesters and used water cannons to disperse the angry crowds.
  Police also forcibly dispersed a slogan-shouting crowd of protesters in the adjoining city of Bhaktapur, injuring two people.
  A group of about 150 protesters remained after the initial burst of rubber bullets dispersed the crowd and police continued to fire on them, a photographer at the scene said.
  Police quickly dispersed the crowd and dispatched the ringleaders to prison.
  Clearly there would be a lot of ‘noise’ as different groups dispersed in different directions.
  However, there are growing signs that, even if crowds are dispersed away from Edinburgh, the protest could become inflammatory.
  Police dispersed the crowds with water cannons.
  A handful of local people get off the bus, dispersing in different directions.
  Synonyms
  break up, split up, disband, separate, scatter, leave, go their separate ways, go in different directions
2. 1.2 (with reference to gas, smoke, mist, or cloud) thin out or cause to thin out and disappear.
  no object the earlier mist had dispersed
  with object winds dispersed the bomb's radioactive cloud high in the atmosphere
  Example sentencesExamples
  Darren looked up at the ceiling fan dispersing his cigarette smoke as it hit.
  The mists of my confusion were being dispersed by reading God's Word.
  On the 23rd, cold and dry weather blew in from the East, and this caused the clouds to disperse, lifting the veil that the Germans had been fighting under.
  There was no wind to disperse the odor that hung over Kumar like a malignant bouquet: raw kerosene, raw vegetables, raw sewage.
  Aerobic activities like cross-country skiing demand thin layers that rapidly disperse sweat and body heat - keeping you cool, not warm.
  The location could not have been better: within easy reach of Washington, yet protected by the Allegheny mountains and with prevailing winds from Canada to disperse any radiation.
  He reasoned that any effect due to nearby cities would be more pronounced in calm conditions, when the wind could not disperse the heat.
  A blustery wind may help in dispersing the pollen, but it will also carry it further.
  Apprehensive, thinking that he had truly been through enough already, Bill turned his head and saw that the wind was dispersing the remaining ashes of the thing that had been Bartholomew.
  About 30 firefighters from across the county battled for more than four hours to spray water onto the gas cloud in a bid to disperse it.
  The sun had gone, I was too late in the day, and the mist had risen and dispersed, coating the sky an even grey.
  The dark clouds had dispersed a bit but there were still clouds there.
  It blew over him like a strong gust of wind, dispersing all illusions and bringing to light the unpleasant agony of truth.
  End result: clear skies letting in the sun and no strong winds to disperse the heat.
  The clouds as if by divine interposition were entirely dispersed and I was once again invited to the grateful task of repeating my observations.
  We had such hot weather and there wasn't a lot of wind to disperse it.
  Synonyms
  dissipate, be dispelled, thin out, dissolve, melt away, fade away, vanish, disappear, clear, lift, rise
3. 1.3Physics Divide (light) into constituents of different wavelengths.
  Example sentencesExamples
  Light at each end of the optical spectrum is dispersed by a different amount, since the refractive index of any medium depends on frequency.
  The ceilings are configured to disperse reflected light evenly throughout the rooms.
  A flat slab of the stuff would focus light, rather than dispersing it, as normal materials would.
  When a source (such as the sun) gives off light, that light can be dispersed into a rainbow spectrum by a prism or diffraction grating.
  Within the foyer, a double-height, semi-circular void disperses soft light into the depths of the building.
4. 1.4Chemistry Distribute (small particles) uniformly in a medium.
  Example sentencesExamples
  The oxide is present as finely dispersed particles, which interact with vacancies and dislocations and prevent their easy movement.
  The aggregates are subjected to ultrasonic wave irradiation or shear stress with a homogenizer to give more uniformly dispersed composite particles.
  When polymer latexes are mixed with fresh cement grout, the polymer particles are uniformly dispersed in the cement paste phase.
  A solution is a homogenous mixture of two or more substances in which the particles are completely dispersed.
  Sunblocks containing powdered titanium dioxide or zinc oxide dispersed in a base of petroleum jelly became available over 50 years ago.

adjectivedəˈspərsdəˈspərs

Chemistry

attributive Denoting a phase dispersed in another phase, as in a colloid.
emulsions should be examined after storage for droplet size of the disperse phase
Example sentencesExamples
- Technically, the liquid which forms droplets is known as the disperse phase, and the liquid in which these drops are scattered is known as the dispersion medium.
- The particles are referred to as the disperse phase while the other phase is termed the dispersion medium or continuous phase.
- These variables allow to control the diameter of the disperse phase droplets (emulsion or microemulsion).
- The colloidal particles of the disperse phase are equivalent to the solute of a solution and the continuous phase is equivalent to the solvent.

Origin

Late Middle English: from Latin dispers- ‘scattered’, from the verb dispergere, from dis- ‘widely’ + spargere ‘scatter, strew’.

单词	disperse
释义	Definition of disperse in English: disperse verb dɪˈspəːsdəˈspərs [with object] 1Distribute or spread over a wide area. storms can disperse seeds via high altitudes caravan sites could be dispersed among trees so as to be out of sight Example sentencesExamples But on reaching Ireland, the livestock was dispersed among farms, with most going to two slaughterhouses in Navan and Roscommon. The multiple paths of communications result in the system being very robust against jamming and also allow the units to be dispersed over a wide area. When confronted with those distributions, many of us probably reason that some species indeed are dispersed over a wide area on the wintering grounds. The settlements are generally dispersed with thin occupation layers. A few alert colleagues were dispersed among the executive departments. Suburban office and industrial parks and shopping centers competed successfully with central business districts, dispersing economic activity over wide areas. Because the disease cannot be passed from person to person, infecting large populations would require dispersing spores over a wide area. Management of these conditions is currently dispersed among a plethora of programs and providers. Funds raised by the event will be dispersed among more than 30 Limerick charities and organisations over the coming months. Spores are dispersed passively by wind and rain. At the strategic Bagram airbase, 20 miles north of Kabul, hundreds of soldiers trucked in late over the last few days were dispersed among the derelict airport buildings. Bordone's talent was dispersed among saturnine portraits, mannered religious scenes and images of dark and brooding eroticism. The senatorial aristocracy with its widely dispersed estates had virtually disappeared, and the ownership of landed property tended to become more regional. Is there any indication in the tapes that they have learned how to disperse it over a wide area, say in a public theater, or a train station? Our Founders emphasized that immigrants would have to be dispersed among what they described as the English population in this country. The heat from the fire causes the pine cones to explode, dispersing seed over a wide area. They are found dispersed among some rocky bottom areas, but are largely found along the California coastal reefs and kelp forests. Space forces and systems should in general be dispersed to cover the widest possible area yet retain the ability to concentrate decisive force rapidly. Furthermore, as a company's scope increases, it may have to distribute its goods and services in progressively more dispersed areas. Evidence is dispersed among individual tourists and collectors, as personal mementoes. Synonyms scatter, disseminate, distribute, spread, broadcast, diffuse, strew, sow, sprinkle, pepper literary bestrew, besprinkle 1.1 Go or cause to go in different directions. no object the crowd dispersed with object the police used tear gas to disperse the protesters Example sentencesExamples In a repeat of Sunday's clashes, police in full riot gear charged the protesters and used water cannons to disperse the angry crowds. The crowd was dispersed when local authorities had men fire warning shots over their heads. At about the same time, police riding horses through the crowd stopped being effective at keeping the crowd moving and dispersing the jumping chanters. From a vantage point, the charging bull creating space by dispersing the crowd ahead of it, and the chasers closing the gap behind it, is a spectacle. Police dispersed the crowds with water cannons. Once they were through clapping, the crowd dispersed into different directions. Police quickly dispersed the crowd and dispatched the ringleaders to prison. Police also forcibly dispersed a slogan-shouting crowd of protesters in the adjoining city of Bhaktapur, injuring two people. However, there are growing signs that, even if crowds are dispersed away from Edinburgh, the protest could become inflammatory. Workers then dispersed peacefully in different directions, confusion and exhaustion written in their faces. After 10 minutes or so, the crowd was dispersed. Clearly there would be a lot of ‘noise’ as different groups dispersed in different directions. The weather took a turn for the worse as a fierce force 11 storm forced the convoy to disperse over a wide area. A handful of local people get off the bus, dispersing in different directions. Exasperated and frustrated, they dispersed in different directions, never to come together again. A group of about 150 protesters remained after the initial burst of rubber bullets dispersed the crowd and police continued to fire on them, a photographer at the scene said. Students barricaded gates with burning tyres in an effort to prevent police from gaining access and dispersing the crowds. Interior minister Francois Boko said soldiers had fired warning shots to disperse a crowd of protesters who had surrounded their vehicle in the neighbourhood of Be, an opposition stronghold. The voices of the towns people broke out into a hive of excited chatter as they began to disperse in different directions. If such mass protests seem to be in the works, will the mainland Chinese government have to step in to clamp down, including dispersing the crowds with riot police? Synonyms break up, split up, disband, separate, scatter, leave, go their separate ways, go in different directions dispel, drive away, drive off, chase away, put to flight, banish, get rid of rare disunite 1.2 (with reference to gas, smoke, mist, or cloud) thin out or cause to thin out and disappear. no object the earlier mist had dispersed with object winds dispersed the radioactive cloud high in the atmosphere Example sentencesExamples About 30 firefighters from across the county battled for more than four hours to spray water onto the gas cloud in a bid to disperse it. On the 23rd, cold and dry weather blew in from the East, and this caused the clouds to disperse, lifting the veil that the Germans had been fighting under. Aerobic activities like cross-country skiing demand thin layers that rapidly disperse sweat and body heat - keeping you cool, not warm. The location could not have been better: within easy reach of Washington, yet protected by the Allegheny mountains and with prevailing winds from Canada to disperse any radiation. We had such hot weather and there wasn't a lot of wind to disperse it. A blustery wind may help in dispersing the pollen, but it will also carry it further. End result: clear skies letting in the sun and no strong winds to disperse the heat. It blew over him like a strong gust of wind, dispersing all illusions and bringing to light the unpleasant agony of truth. The sun had gone, I was too late in the day, and the mist had risen and dispersed, coating the sky an even grey. Apprehensive, thinking that he had truly been through enough already, Bill turned his head and saw that the wind was dispersing the remaining ashes of the thing that had been Bartholomew. There was no wind to disperse the odor that hung over Kumar like a malignant bouquet: raw kerosene, raw vegetables, raw sewage. The mists of my confusion were being dispersed by reading God's Word. Darren looked up at the ceiling fan dispersing his cigarette smoke as it hit. The dark clouds had dispersed a bit but there were still clouds there. He reasoned that any effect due to nearby cities would be more pronounced in calm conditions, when the wind could not disperse the heat. The clouds as if by divine interposition were entirely dispersed and I was once again invited to the grateful task of repeating my observations. Synonyms dissipate, be dispelled, thin out, dissolve, melt away, fade away, vanish, disappear, clear, lift, rise 1.3Physics Divide (light) into constituents of different wavelengths. the ability of a material to disperse light by refraction Example sentencesExamples The ceilings are configured to disperse reflected light evenly throughout the rooms. When a source (such as the sun) gives off light, that light can be dispersed into a rainbow spectrum by a prism or diffraction grating. A flat slab of the stuff would focus light, rather than dispersing it, as normal materials would. Light at each end of the optical spectrum is dispersed by a different amount, since the refractive index of any medium depends on frequency. Within the foyer, a double-height, semi-circular void disperses soft light into the depths of the building. adjectivedɪˈspəːsdəˈspərs Chemistry attributive Denoting a phase dispersed in another phase, as in a colloid. emulsions should be examined after storage for droplet size of the disperse phase Example sentencesExamples Technically, the liquid which forms droplets is known as the disperse phase, and the liquid in which these drops are scattered is known as the dispersion medium. The particles are referred to as the disperse phase while the other phase is termed the dispersion medium or continuous phase. These variables allow to control the diameter of the disperse phase droplets (emulsion or microemulsion). The colloidal particles of the disperse phase are equivalent to the solute of a solution and the continuous phase is equivalent to the solvent. Derivatives disperser noun Microbes, invertebrate fruit consumers (especially insect larvae), and vertebrate dispersers can thus be viewed as competitors for access to a rich but transient nutritional substrate. Example sentencesExamples One hundred twenty-eight natal males from the three study clans survived beyond the age of 16 months and thus were potential dispersers. In particular, they may attract a diverse array of seed dispersers by offering an essential, but scarce micronutrient. Many juveniles (mainly short-distance dispersers; data not shown) made exploratory trips before dispersal, usually of distances of less than 1 km from the birth site. I ranked the fatness of dispersers (in the year before they dispersed) and the fatness of other workers of similar length in the colonies from which they dispersed. dispersible adjective He has huge quantities of a nasty and virulent form of the anthrax virus, and is currently engaged in further developing the more easily dispersible and effective dry micro-powder forms. Example sentencesExamples Because cocoa does not dissolve, highly dispersible products work better for dairy applications, says Stunek. Efflorescence is caused when soluble salts and other water dispersible materials come to the surface of concrete and mortars. To minimize this problem, chemical companies developed the dry flowable and water dispersible granular formulations. It is especially common in soils that have high expansion rates and/or highly dispersible clay minerals, and in locations which experience intense sequences of wet and dry periods. dispersive adjective dɪˈspəːsɪvdəˈspərsɪv Energy dispersive spectrometry is one of several methods used to analyze an X-ray fluorescence signal. Example sentencesExamples Reduce the risk of chemical bums by preventing antiseptic agents from pooling under the patient, electrosurgical unit dispersive pad, electrodes, or pneumatic tourniquets. It is clear from our studies that although dispersive light scattering perturbs band intensities, neither absorption flattening nor differential scattering is sufficient to account for these changes. This slight shifting reflects the solvent-excited state interactions and is likely governed primarily by dispersive interactions. This signal at extended wavelengths outside of absorbance bands is characteristic of the dispersive part of differential light scattering. Origin Late Middle English: from Latin dispers- 'scattered', from the verb dispergere, from dis- 'widely' + spargere 'scatter, strew'. aspersion from Late Middle English: To engage in casting aspersions is almost literally mud-slinging. Aspersion originally meant ‘sprinkling water or other liquid on someone’, especially in baptism, and came from Latin spargere ‘to sprinkle’ (the root of disperse (Late Middle English) ‘scatter widely’, and intersperse (mid 16th century) ‘sprinkle between’). Sprinkling a person with water developed into the idea of spattering them with something less pleasant, such as mud or dung. This in turn led to the notion of soiling a person's reputation by making false and damaging insinuations against them. See also slur Definition of disperse in US English: disperse verbdəˈspərsdəˈspərs [with object] 1Distribute or spread over a wide area. storms can disperse seeds via high altitudes camping sites could be dispersed among trees so as to be out of sight Example sentencesExamples A few alert colleagues were dispersed among the executive departments. The settlements are generally dispersed with thin occupation layers. The heat from the fire causes the pine cones to explode, dispersing seed over a wide area. Space forces and systems should in general be dispersed to cover the widest possible area yet retain the ability to concentrate decisive force rapidly. When confronted with those distributions, many of us probably reason that some species indeed are dispersed over a wide area on the wintering grounds. Funds raised by the event will be dispersed among more than 30 Limerick charities and organisations over the coming months. At the strategic Bagram airbase, 20 miles north of Kabul, hundreds of soldiers trucked in late over the last few days were dispersed among the derelict airport buildings. But on reaching Ireland, the livestock was dispersed among farms, with most going to two slaughterhouses in Navan and Roscommon. Evidence is dispersed among individual tourists and collectors, as personal mementoes. Suburban office and industrial parks and shopping centers competed successfully with central business districts, dispersing economic activity over wide areas. Furthermore, as a company's scope increases, it may have to distribute its goods and services in progressively more dispersed areas. Bordone's talent was dispersed among saturnine portraits, mannered religious scenes and images of dark and brooding eroticism. They are found dispersed among some rocky bottom areas, but are largely found along the California coastal reefs and kelp forests. Is there any indication in the tapes that they have learned how to disperse it over a wide area, say in a public theater, or a train station? The senatorial aristocracy with its widely dispersed estates had virtually disappeared, and the ownership of landed property tended to become more regional. The multiple paths of communications result in the system being very robust against jamming and also allow the units to be dispersed over a wide area. Management of these conditions is currently dispersed among a plethora of programs and providers. Our Founders emphasized that immigrants would have to be dispersed among what they described as the English population in this country. Spores are dispersed passively by wind and rain. Because the disease cannot be passed from person to person, infecting large populations would require dispersing spores over a wide area. Synonyms scatter, disseminate, distribute, spread, broadcast, diffuse, strew, sow, sprinkle, pepper 1.1 Go or cause to go in different directions or to different destinations. no object the crowd dispersed with object the police used tear gas to disperse the protesters Example sentencesExamples If such mass protests seem to be in the works, will the mainland Chinese government have to step in to clamp down, including dispersing the crowds with riot police? Students barricaded gates with burning tyres in an effort to prevent police from gaining access and dispersing the crowds. At about the same time, police riding horses through the crowd stopped being effective at keeping the crowd moving and dispersing the jumping chanters. The weather took a turn for the worse as a fierce force 11 storm forced the convoy to disperse over a wide area. Interior minister Francois Boko said soldiers had fired warning shots to disperse a crowd of protesters who had surrounded their vehicle in the neighbourhood of Be, an opposition stronghold. Once they were through clapping, the crowd dispersed into different directions. The crowd was dispersed when local authorities had men fire warning shots over their heads. After 10 minutes or so, the crowd was dispersed. From a vantage point, the charging bull creating space by dispersing the crowd ahead of it, and the chasers closing the gap behind it, is a spectacle. Exasperated and frustrated, they dispersed in different directions, never to come together again. The voices of the towns people broke out into a hive of excited chatter as they began to disperse in different directions. Workers then dispersed peacefully in different directions, confusion and exhaustion written in their faces. In a repeat of Sunday's clashes, police in full riot gear charged the protesters and used water cannons to disperse the angry crowds. Police also forcibly dispersed a slogan-shouting crowd of protesters in the adjoining city of Bhaktapur, injuring two people. A group of about 150 protesters remained after the initial burst of rubber bullets dispersed the crowd and police continued to fire on them, a photographer at the scene said. Police quickly dispersed the crowd and dispatched the ringleaders to prison. Clearly there would be a lot of ‘noise’ as different groups dispersed in different directions. However, there are growing signs that, even if crowds are dispersed away from Edinburgh, the protest could become inflammatory. Police dispersed the crowds with water cannons. A handful of local people get off the bus, dispersing in different directions. Synonyms break up, split up, disband, separate, scatter, leave, go their separate ways, go in different directions 1.2 (with reference to gas, smoke, mist, or cloud) thin out or cause to thin out and disappear. no object the earlier mist had dispersed with object winds dispersed the bomb's radioactive cloud high in the atmosphere Example sentencesExamples Darren looked up at the ceiling fan dispersing his cigarette smoke as it hit. The mists of my confusion were being dispersed by reading God's Word. On the 23rd, cold and dry weather blew in from the East, and this caused the clouds to disperse, lifting the veil that the Germans had been fighting under. There was no wind to disperse the odor that hung over Kumar like a malignant bouquet: raw kerosene, raw vegetables, raw sewage. Aerobic activities like cross-country skiing demand thin layers that rapidly disperse sweat and body heat - keeping you cool, not warm. The location could not have been better: within easy reach of Washington, yet protected by the Allegheny mountains and with prevailing winds from Canada to disperse any radiation. He reasoned that any effect due to nearby cities would be more pronounced in calm conditions, when the wind could not disperse the heat. A blustery wind may help in dispersing the pollen, but it will also carry it further. Apprehensive, thinking that he had truly been through enough already, Bill turned his head and saw that the wind was dispersing the remaining ashes of the thing that had been Bartholomew. About 30 firefighters from across the county battled for more than four hours to spray water onto the gas cloud in a bid to disperse it. The sun had gone, I was too late in the day, and the mist had risen and dispersed, coating the sky an even grey. The dark clouds had dispersed a bit but there were still clouds there. It blew over him like a strong gust of wind, dispersing all illusions and bringing to light the unpleasant agony of truth. End result: clear skies letting in the sun and no strong winds to disperse the heat. The clouds as if by divine interposition were entirely dispersed and I was once again invited to the grateful task of repeating my observations. We had such hot weather and there wasn't a lot of wind to disperse it. Synonyms dissipate, be dispelled, thin out, dissolve, melt away, fade away, vanish, disappear, clear, lift, rise 1.3Physics Divide (light) into constituents of different wavelengths. Example sentencesExamples Light at each end of the optical spectrum is dispersed by a different amount, since the refractive index of any medium depends on frequency. The ceilings are configured to disperse reflected light evenly throughout the rooms. A flat slab of the stuff would focus light, rather than dispersing it, as normal materials would. When a source (such as the sun) gives off light, that light can be dispersed into a rainbow spectrum by a prism or diffraction grating. Within the foyer, a double-height, semi-circular void disperses soft light into the depths of the building. 1.4Chemistry Distribute (small particles) uniformly in a medium. Example sentencesExamples The oxide is present as finely dispersed particles, which interact with vacancies and dislocations and prevent their easy movement. The aggregates are subjected to ultrasonic wave irradiation or shear stress with a homogenizer to give more uniformly dispersed composite particles. When polymer latexes are mixed with fresh cement grout, the polymer particles are uniformly dispersed in the cement paste phase. A solution is a homogenous mixture of two or more substances in which the particles are completely dispersed. Sunblocks containing powdered titanium dioxide or zinc oxide dispersed in a base of petroleum jelly became available over 50 years ago. adjectivedəˈspərsdəˈspərs Chemistry attributive Denoting a phase dispersed in another phase, as in a colloid. emulsions should be examined after storage for droplet size of the disperse phase Example sentencesExamples Technically, the liquid which forms droplets is known as the disperse phase, and the liquid in which these drops are scattered is known as the dispersion medium. The particles are referred to as the disperse phase while the other phase is termed the dispersion medium or continuous phase. These variables allow to control the diameter of the disperse phase droplets (emulsion or microemulsion). The colloidal particles of the disperse phase are equivalent to the solute of a solution and the continuous phase is equivalent to the solvent. Origin Late Middle English: from Latin dispers- ‘scattered’, from the verb dispergere, from dis- ‘widely’ + spargere ‘scatter, strew’.
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