Definition of aperture in English:

aperture

noun ˈapətʃəˈapətj(ʊ)ə

1An opening, hole, or gap.
the bell ropes passed through apertures in the ceiling
the genital aperture of an insect
Example sentencesExamples
- I'm also considering drilling a bigger aperture into the thing.
- I placed it over me, slipping my head through the aperture at the top, and then ripping smallish holes in the side for my arms.
- When the rear asymmetrically split door is fully open its aperture creates another class winning feature.
- Together, this indicates that the length is about twice as long as the width and the apertures appear more slit-like than round holes.
- She had wiggled through a tot-sized aperture in the alcove, and toddled over to a display of butterfly nets four feet away.
- The smoother front section around the grille, bumper and spoiler has a chrome strip across lower air intake and larger apertures for the foglamps.
- The window apertures are too narrow to let him out again.
- This leaves a maze of jagged pastel walls and shadowy apertures.
- For weeks, it was untouched, then I noticed that something had been pecking around the aperture.
- Some joints are already beginning to crumble and in other cases, the jointing mix was only applied as a veneer to the top of the joint aperture leaving a cavity underneath.
- I provided little sunshine for the company as we swept indoors and barred all apertures against wind and rain.
- This aperture is tellingly mounted atop the heaviest of steel doors, and when it closes, so too does The Circle.
- Measure the height and width of the aperture, the distance between the bolt holes, and the overall size of the previous fitting.
- The interior of the cave, pierced by apertures giving onto the sea and by a sort of skylight open to the heavens, reflects a light of mist and water on its damp walls.
- First, the apertures in the cabinets are too small and, second, it is quite difficult to view whatever was sought to be shown from the ground.
- The house achieves a perfect balance of original features - heavy stone lintels, alcoves, shelves and apertures, as well as an antiquated privy - with vital modern additions.
- These are one- and two-story windowless structures with central air conditioning units and many ventilation apertures.
- Unfortunately the aperture was just a couple of centimetres too narrow.
- Through a small aperture, each mirror reveals a forlorn apartment - a raw space in need of love.
- It was bare and whitewashed, with a small square aperture glazed with one cracked, dusty pane at its further end.
Synonyms
opening, hole, gap, space, slit, slot, vent, passage, crevice, chink, crack, fissure, perforation, breach, eye, interstice
technical orifice, foramen
1. 1.1 A space through which light passes in an optical or photographic instrument, especially the variable opening by which light enters a camera.
  a refracting telescope with an aperture of 3 inches
  Example sentencesExamples
  Base your exposure on the existing light conditions, using a small aperture and the longest shutter speed available.
  The Wide lens is also the one you should use in low light situations, such as twilight, as most Wide lenses have larger apertures which let more light in to the camera.
  It merely means that you can set the aperture, and the camera will work out the shutter speed that corresponds to the correct exposure.
  This same control changes the aperture when the camera is put into the A mode.
  My own pragmatic tests show that to really put this camera to the test I need to use the best lenses at their optimum apertures, otherwise the lenses let down the imaging chip.
  A wide aperture will take care of the background but I don't want any blurring of grass waving in the foreground.
  I have found that the two most important factors are to have a wide aperture and a fast ISO, the wider and faster the better.
  A cover slides down to reveal a small keyboard at the front, and uncovers the camera aperture at the back.
  Over the years, my work with a pinhole as a camera aperture has unerringly led me on a path to the past.
  There is, admittedly, a tradeoff - as in the photographic camera - between aperture and depth of field.
  What it means is that large-format photographers ordinarily shoot at much smaller apertures than smaller format photographers.
  A photoelectronic detector measures the light passing through the aperture.
  Fast films allow higher shutter speeds and smaller apertures, which help correct both problems.
  In combination, shutter speed and aperture are the gatekeepers that regulate the amount of light that gets to the film.
  Even an in-focus image will exhibit some blurring due to the diffraction of light from the camera aperture.
  It also means that its field of view is somewhat larger than another camera with a smaller aperture.
  As before, the images were taken with a constant focal length, lighting, aperture, and shutter speed.
  If these exposure times do not produce the desired effect, change the lens aperture and test again.
  If too much is in focus, simply open the aperture, put on a longer lens, or move closer.
  Lenses with larger maximum apertures provide a brighter viewfinder image but are not necessarily sharper or better than slower lenses.

Derivatives

apertural

adjective

Thus, the presence or absence of an apertural slit does not necessarily have significance for high-level taxonomy.
Example sentencesExamples
- The two species differ in the ornamentation of the apertural margin.
- Aperture is a simple opening in the center of the apertural face.
- In many ammonites the terminal body chamber is relatively large, inflated, and with a constricted aperture or apertural appendages.
- In summary, based mainly on its apertural features, the following new species is questionably assigned to genus Ringicula.

Origin

Late Middle English: from Latin apertura, from apert- 'opened', from aperire 'to open'.

This is from Latin apertura from aperire ‘to open’.

Definition of aperture in US English:

aperture

noun

1An opening, hole, or gap.
the bell ropes passed through apertures in the ceiling
Example sentencesExamples
- Through a small aperture, each mirror reveals a forlorn apartment - a raw space in need of love.
- It was bare and whitewashed, with a small square aperture glazed with one cracked, dusty pane at its further end.
- The house achieves a perfect balance of original features - heavy stone lintels, alcoves, shelves and apertures, as well as an antiquated privy - with vital modern additions.
- I'm also considering drilling a bigger aperture into the thing.
- Some joints are already beginning to crumble and in other cases, the jointing mix was only applied as a veneer to the top of the joint aperture leaving a cavity underneath.
- I placed it over me, slipping my head through the aperture at the top, and then ripping smallish holes in the side for my arms.
- She had wiggled through a tot-sized aperture in the alcove, and toddled over to a display of butterfly nets four feet away.
- First, the apertures in the cabinets are too small and, second, it is quite difficult to view whatever was sought to be shown from the ground.
- Together, this indicates that the length is about twice as long as the width and the apertures appear more slit-like than round holes.
- This aperture is tellingly mounted atop the heaviest of steel doors, and when it closes, so too does The Circle.
- The interior of the cave, pierced by apertures giving onto the sea and by a sort of skylight open to the heavens, reflects a light of mist and water on its damp walls.
- The window apertures are too narrow to let him out again.
- Unfortunately the aperture was just a couple of centimetres too narrow.
- This leaves a maze of jagged pastel walls and shadowy apertures.
- For weeks, it was untouched, then I noticed that something had been pecking around the aperture.
- When the rear asymmetrically split door is fully open its aperture creates another class winning feature.
- Measure the height and width of the aperture, the distance between the bolt holes, and the overall size of the previous fitting.
- These are one- and two-story windowless structures with central air conditioning units and many ventilation apertures.
- I provided little sunshine for the company as we swept indoors and barred all apertures against wind and rain.
- The smoother front section around the grille, bumper and spoiler has a chrome strip across lower air intake and larger apertures for the foglamps.
Synonyms
opening, hole, gap, space, slit, slot, vent, passage, crevice, chink, crack, fissure, perforation, breach, eye, interstice
1. 1.1 A space through which light passes in an optical or photographic instrument, especially the variable opening by which light enters a camera.
  Example sentencesExamples
  There is, admittedly, a tradeoff - as in the photographic camera - between aperture and depth of field.
  It also means that its field of view is somewhat larger than another camera with a smaller aperture.
  The Wide lens is also the one you should use in low light situations, such as twilight, as most Wide lenses have larger apertures which let more light in to the camera.
  Lenses with larger maximum apertures provide a brighter viewfinder image but are not necessarily sharper or better than slower lenses.
  Base your exposure on the existing light conditions, using a small aperture and the longest shutter speed available.
  What it means is that large-format photographers ordinarily shoot at much smaller apertures than smaller format photographers.
  If too much is in focus, simply open the aperture, put on a longer lens, or move closer.
  As before, the images were taken with a constant focal length, lighting, aperture, and shutter speed.
  Even an in-focus image will exhibit some blurring due to the diffraction of light from the camera aperture.
  If these exposure times do not produce the desired effect, change the lens aperture and test again.
  I have found that the two most important factors are to have a wide aperture and a fast ISO, the wider and faster the better.
  Over the years, my work with a pinhole as a camera aperture has unerringly led me on a path to the past.
  Fast films allow higher shutter speeds and smaller apertures, which help correct both problems.
  In combination, shutter speed and aperture are the gatekeepers that regulate the amount of light that gets to the film.
  My own pragmatic tests show that to really put this camera to the test I need to use the best lenses at their optimum apertures, otherwise the lenses let down the imaging chip.
  A photoelectronic detector measures the light passing through the aperture.
  This same control changes the aperture when the camera is put into the A mode.
  A cover slides down to reveal a small keyboard at the front, and uncovers the camera aperture at the back.
  A wide aperture will take care of the background but I don't want any blurring of grass waving in the foreground.
  It merely means that you can set the aperture, and the camera will work out the shutter speed that corresponds to the correct exposure.

Origin

Late Middle English: from Latin apertura, from apert- ‘opened’, from aperire ‘to open’.

单词	aperture
释义	Definition of aperture in English: aperture noun ˈapətʃəˈapətj(ʊ)ə 1An opening, hole, or gap. the bell ropes passed through apertures in the ceiling the genital aperture of an insect Example sentencesExamples I'm also considering drilling a bigger aperture into the thing. I placed it over me, slipping my head through the aperture at the top, and then ripping smallish holes in the side for my arms. When the rear asymmetrically split door is fully open its aperture creates another class winning feature. Together, this indicates that the length is about twice as long as the width and the apertures appear more slit-like than round holes. She had wiggled through a tot-sized aperture in the alcove, and toddled over to a display of butterfly nets four feet away. The smoother front section around the grille, bumper and spoiler has a chrome strip across lower air intake and larger apertures for the foglamps. The window apertures are too narrow to let him out again. This leaves a maze of jagged pastel walls and shadowy apertures. For weeks, it was untouched, then I noticed that something had been pecking around the aperture. Some joints are already beginning to crumble and in other cases, the jointing mix was only applied as a veneer to the top of the joint aperture leaving a cavity underneath. I provided little sunshine for the company as we swept indoors and barred all apertures against wind and rain. This aperture is tellingly mounted atop the heaviest of steel doors, and when it closes, so too does The Circle. Measure the height and width of the aperture, the distance between the bolt holes, and the overall size of the previous fitting. The interior of the cave, pierced by apertures giving onto the sea and by a sort of skylight open to the heavens, reflects a light of mist and water on its damp walls. First, the apertures in the cabinets are too small and, second, it is quite difficult to view whatever was sought to be shown from the ground. The house achieves a perfect balance of original features - heavy stone lintels, alcoves, shelves and apertures, as well as an antiquated privy - with vital modern additions. These are one- and two-story windowless structures with central air conditioning units and many ventilation apertures. Unfortunately the aperture was just a couple of centimetres too narrow. Through a small aperture, each mirror reveals a forlorn apartment - a raw space in need of love. It was bare and whitewashed, with a small square aperture glazed with one cracked, dusty pane at its further end. Synonyms opening, hole, gap, space, slit, slot, vent, passage, crevice, chink, crack, fissure, perforation, breach, eye, interstice technical orifice, foramen 1.1 A space through which light passes in an optical or photographic instrument, especially the variable opening by which light enters a camera. a refracting telescope with an aperture of 3 inches Example sentencesExamples Base your exposure on the existing light conditions, using a small aperture and the longest shutter speed available. The Wide lens is also the one you should use in low light situations, such as twilight, as most Wide lenses have larger apertures which let more light in to the camera. It merely means that you can set the aperture, and the camera will work out the shutter speed that corresponds to the correct exposure. This same control changes the aperture when the camera is put into the A mode. My own pragmatic tests show that to really put this camera to the test I need to use the best lenses at their optimum apertures, otherwise the lenses let down the imaging chip. A wide aperture will take care of the background but I don't want any blurring of grass waving in the foreground. I have found that the two most important factors are to have a wide aperture and a fast ISO, the wider and faster the better. A cover slides down to reveal a small keyboard at the front, and uncovers the camera aperture at the back. Over the years, my work with a pinhole as a camera aperture has unerringly led me on a path to the past. There is, admittedly, a tradeoff - as in the photographic camera - between aperture and depth of field. What it means is that large-format photographers ordinarily shoot at much smaller apertures than smaller format photographers. A photoelectronic detector measures the light passing through the aperture. Fast films allow higher shutter speeds and smaller apertures, which help correct both problems. In combination, shutter speed and aperture are the gatekeepers that regulate the amount of light that gets to the film. Even an in-focus image will exhibit some blurring due to the diffraction of light from the camera aperture. It also means that its field of view is somewhat larger than another camera with a smaller aperture. As before, the images were taken with a constant focal length, lighting, aperture, and shutter speed. If these exposure times do not produce the desired effect, change the lens aperture and test again. If too much is in focus, simply open the aperture, put on a longer lens, or move closer. Lenses with larger maximum apertures provide a brighter viewfinder image but are not necessarily sharper or better than slower lenses. Derivatives apertural adjective Thus, the presence or absence of an apertural slit does not necessarily have significance for high-level taxonomy. Example sentencesExamples The two species differ in the ornamentation of the apertural margin. Aperture is a simple opening in the center of the apertural face. In many ammonites the terminal body chamber is relatively large, inflated, and with a constricted aperture or apertural appendages. In summary, based mainly on its apertural features, the following new species is questionably assigned to genus Ringicula. Origin Late Middle English: from Latin apertura, from apert- 'opened', from aperire 'to open'. This is from Latin apertura from aperire ‘to open’. Definition of aperture in US English: aperture noun 1An opening, hole, or gap. the bell ropes passed through apertures in the ceiling Example sentencesExamples Through a small aperture, each mirror reveals a forlorn apartment - a raw space in need of love. It was bare and whitewashed, with a small square aperture glazed with one cracked, dusty pane at its further end. The house achieves a perfect balance of original features - heavy stone lintels, alcoves, shelves and apertures, as well as an antiquated privy - with vital modern additions. I'm also considering drilling a bigger aperture into the thing. Some joints are already beginning to crumble and in other cases, the jointing mix was only applied as a veneer to the top of the joint aperture leaving a cavity underneath. I placed it over me, slipping my head through the aperture at the top, and then ripping smallish holes in the side for my arms. She had wiggled through a tot-sized aperture in the alcove, and toddled over to a display of butterfly nets four feet away. First, the apertures in the cabinets are too small and, second, it is quite difficult to view whatever was sought to be shown from the ground. Together, this indicates that the length is about twice as long as the width and the apertures appear more slit-like than round holes. This aperture is tellingly mounted atop the heaviest of steel doors, and when it closes, so too does The Circle. The interior of the cave, pierced by apertures giving onto the sea and by a sort of skylight open to the heavens, reflects a light of mist and water on its damp walls. The window apertures are too narrow to let him out again. Unfortunately the aperture was just a couple of centimetres too narrow. This leaves a maze of jagged pastel walls and shadowy apertures. For weeks, it was untouched, then I noticed that something had been pecking around the aperture. When the rear asymmetrically split door is fully open its aperture creates another class winning feature. Measure the height and width of the aperture, the distance between the bolt holes, and the overall size of the previous fitting. These are one- and two-story windowless structures with central air conditioning units and many ventilation apertures. I provided little sunshine for the company as we swept indoors and barred all apertures against wind and rain. The smoother front section around the grille, bumper and spoiler has a chrome strip across lower air intake and larger apertures for the foglamps. Synonyms opening, hole, gap, space, slit, slot, vent, passage, crevice, chink, crack, fissure, perforation, breach, eye, interstice 1.1 A space through which light passes in an optical or photographic instrument, especially the variable opening by which light enters a camera. Example sentencesExamples There is, admittedly, a tradeoff - as in the photographic camera - between aperture and depth of field. It also means that its field of view is somewhat larger than another camera with a smaller aperture. The Wide lens is also the one you should use in low light situations, such as twilight, as most Wide lenses have larger apertures which let more light in to the camera. Lenses with larger maximum apertures provide a brighter viewfinder image but are not necessarily sharper or better than slower lenses. Base your exposure on the existing light conditions, using a small aperture and the longest shutter speed available. What it means is that large-format photographers ordinarily shoot at much smaller apertures than smaller format photographers. If too much is in focus, simply open the aperture, put on a longer lens, or move closer. As before, the images were taken with a constant focal length, lighting, aperture, and shutter speed. Even an in-focus image will exhibit some blurring due to the diffraction of light from the camera aperture. If these exposure times do not produce the desired effect, change the lens aperture and test again. I have found that the two most important factors are to have a wide aperture and a fast ISO, the wider and faster the better. Over the years, my work with a pinhole as a camera aperture has unerringly led me on a path to the past. Fast films allow higher shutter speeds and smaller apertures, which help correct both problems. In combination, shutter speed and aperture are the gatekeepers that regulate the amount of light that gets to the film. My own pragmatic tests show that to really put this camera to the test I need to use the best lenses at their optimum apertures, otherwise the lenses let down the imaging chip. A photoelectronic detector measures the light passing through the aperture. This same control changes the aperture when the camera is put into the A mode. A cover slides down to reveal a small keyboard at the front, and uncovers the camera aperture at the back. A wide aperture will take care of the background but I don't want any blurring of grass waving in the foreground. It merely means that you can set the aperture, and the camera will work out the shutter speed that corresponds to the correct exposure. Origin Late Middle English: from Latin apertura, from apert- ‘opened’, from aperire ‘to open’.
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