aperture
noun/ˈæpətʃə(r)/
/ˈæpərtʃʊr/
- (formal) a small opening in something
- The soldier fired the rifle through a narrow aperture in a pile of sandbags.
- The bell ropes passed through apertures in the ceiling.
- (specialist) an opening that allows light to reach a lens, especially in cameras
- For flash photography, set the aperture at f. 5.6.
- Open up the lens aperture to maximize the brightness of the shot.
- Binoculars of this aperture are very expensive.
Word Originlate Middle English: from Latin apertura, from apert- ‘opened’, from aperire ‘to open’.
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aperture