aperture
part of speech
noun (an aperture, apertures)
meaning for a pupil
1) (formal) An opening, hole or gap. tree →
2) (photography, science) The hole in a camera or telescope that lets light in; its size can be changed to let in more or less light. tree →
sense in the lessons
In science lessons on light, the aperture of a camera works like the pupil of your eye: wider in the dark, smaller in bright light. In photography, a big aperture blurs the background. In formal writing "aperture" can mean any narrow opening, like a gap in a castle wall. Phrases: a wide aperture, a narrow aperture, adjust the aperture.
examples
- Light enters the camera through the aperture. tree →
- The pupil of your eye is like a camera's aperture. tree →
- Make the aperture smaller on a sunny day. tree →
- The cat squeezed through a narrow aperture in the fence. tree →
- Arrows were shot through apertures in the castle wall. tree →
- A telescope with a big aperture collects more light. tree →
- Delighted with his find he slipped in through the narrow aperture and greedily devoured it all. tree →
note
Countable: an aperture (use "an"). Formal in the sense of "hole"; everyday speech says "hole" or "gap". Pronounced AP-er-cher.
Trees and pragmatics
Every meaning and example of «aperture» parsed by Mova, each sentence with its dependency tree and frames.