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# aperture

«aperture» in Mova's school dictionary: **An opening, hole or gap** — its meaning for a pupil, its sense in the lessons and examples.

### part of speech

noun (an aperture, apertures)

### meaning for a pupil

1) (formal) An opening, hole or gap. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/A/aperture/#m1)

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 →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/A/aperture/#m2)

### 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 →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/A/aperture/#x1)
- The pupil of your eye is like a camera's aperture. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/A/aperture/#x2)
- Make the aperture smaller on a sunny day. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/A/aperture/#x3)
- The cat squeezed through a narrow aperture in the fence. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/A/aperture/#x4)
- Arrows were shot through apertures in the castle wall. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/A/aperture/#x5)
- A telescope with a big aperture collects more light. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/A/aperture/#x6)
- Delighted with his find he slipped in through the narrow aperture and greedily devoured it all. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/A/aperture/#x7)

### 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](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/A/aperture/), each sentence with its dependency tree and frames.