Aperture - definition, pronunciation, transcription

Amer.  |ˈæpətʃər|  American pronunciation of the word aperture
Brit.  |ˈapətʃə|  British pronunciation of the word aperture


- a device that controls amount of light admitted
- a natural opening in something
- an man-made opening; usually small


We entered the cave through a narrow aperture.

The photograph was taken using a fast shutter speed and a large aperture.

The internal structure may be compared to a sponge, though the apertures cannot in general be perceived.

An aperture at the top, for the conveyance of smoke.

Word forms

singular: aperture
plural: apertures
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