Meaning of aperture in English

aperture

noun [ C ]

/ˈæp.ɚ.tʃɚ/ uk

/ˈæp.ə.tʃər/

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a small and often narrow opening, especially one that allows light into a camera

SMART Vocabulary: related words and phrases

Photography

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Holes, hollows and dips

Examples from literature

The man certainly did mean to tell him so, for he opened the door no more than a foot, and stood in that narrow aperture.
There was a kind of portico or colonnade outside, and this obstructed even the little light that at the best could have found its way through the small apertures in the door.
They consist essentially of a lamp in a reflector whose aperture is closed with a sheet or a lens of clear glass.
They stole swiftly across the room and peered through the little apertures which lighted the place.
This temple consisted of nine vaults, situated perpendicularly beneath each other, and communicating by apertures left in each vault.

(Definition of aperture from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

aperture | Intermediate English

aperture

noun [ C ]

/ˈæp·ərˌtʃʊər, -tʃər/

Add to word list Add to word list

a small and often narrow opening, esp. one that allows light into a camera

(Definition of aperture from the Cambridge Academic Content Dictionary © Cambridge University Press)

Examples of aperture

aperture

There's a new six-element, f/1.8 aperture lens and a 12 megapixel high-speed sensor.

From Los Angeles Times

As for what makes a radar detector work, well there's this thing called a bellhousing (that's the aperture that catches the wave).

From Fast Company

Due to the physics of it, a large aperture has a very small depth of field.

From CNN

The lens has an aperture of f/2.0 and a sapphire cover.

From The Verge

At a wider aperture, more light hits the sensor when you use a fast shutter speed.

From Wired

There are lenses with a fixed aperture throughout the zoom range, but they're pretty rare and expensive.

From Wired

Instead, the new camera is equipped with a variable f2.4-4 aperture.

From The Verge

It began with the lens, a round barrel with big zoom and fast aperture throughout.

From The Verge

This bone aperture has taken on great importance in the ongoing investigation into when the human lineage split from those of other apes.

From National Geographic

After you get comfortable with composition, you need to learn how your aperture (and exposure) can help you tell the story.

From CNN

Aperture 3.0 came out a few months ago, so you're probably wondering why this review is so late.

From Ars Technica

When taking a portrait, it's common to use a large aperture to produce a shallow depth of field to isolate the subject.

From The Atlantic

However, it does have some effect, so if you can set your aperture, set it for the largest available (lowest f-stop number).

From CNET

This does simulate a larger aperture, kinda, but the behind-the-scenes processing is doing more than just stitch images together side-by-side.

From Wired

These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.

What is the pronunciation of aperture?