Convection is the process by which heat travels through air, water, and other gases and liquids.
[technical]
...clouds which lift warm, moist air by convection high into the atmosphere.
...convection currents.
convection in British English
(kənˈvɛkʃən)
noun
1.
a process of heat transfer through a gas or liquid by bulk motion of hotter material into a cooler region
Compare conduction (sense 1)
2. meteorology
the process by which masses of relatively warm air are raised into the atmosphere, often cooling and forming clouds, with compensatory downward movements of cooler air
3. geology
the slow circulation of subcrustal material, thought to be the mechanism by which tectonic plates are moved
Derived forms
convectional (conˈvectional)
adjective
convective (conˈvective)
adjective
Word origin
C19: from Late Latin convectiō a bringing together, from Latin convehere to bring together, gather, from vehere to bear, carry
convection in American English
(kənˈvɛkʃən)
noun
1.
a transmitting or conveying
2.
a.
the mass movement of parts of a fluid within the fluid because of differences in the density of different parts
b.
the transfer of heat by its absorption by a fluid at one point followed by motion of the fluid and rejection of the heat at another point
Derived forms
convectional (conˈvectional)
adjective
convective (conˈvective)
adjective
convectively (conˈvectively)
adverb
convector (conˈvector)
noun
Word origin
L convectio < pp. of convehere, to bring together < com-, together + vehere, to carry, bear
convection in Chemical Engineering
(kənvɛkʃən)
noun
(Chemical Engineering: Heat transfer)
Convection is the flow of heat by the movement of a warmed gas.
The buildings typically see a 30 percent saving in energy as air circulates by naturalconvection to the upper floors.
Heat transfer by convection occurs as a result of the movement of fluid in the form of eddies or circulatingcurrents.
Convection is the flow of heat by the movement of a warmed gas.
natural convection
convection in Mechanical Engineering
(kənvɛkʃən)
noun
(Mechanical engineering: Energy, thermodynamics and heat transfer)
Convection is the flow of heat by the movement of a warmed gas.
The buildings see a 30 percent saving in energy as air circulates by natural convection to the upper floors.
Convection is the transfer of heat by motion of the heated material, such as air.
Convection is the flow of heat by the movement of a warmed gas.
forced convection
Examples of 'convection' in a sentence
convection
Perhaps it is something to do with convection and high ceilings.