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Definitions

aperture

[ap-er-cher] / ˈæp ər tʃər /


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The researchers also combined the CSV pre-seeding method with a slot-die coating process to fabricate a perovskite solar mini-module with an aperture area of 49.91 cm2.

From Science Daily • Mar. 1, 2026

It’s a study in negative space, each individual form offering a grainy aperture that holds our interest due to the minor similarities to and differences from the ones surrounding it.

From The Wall Street Journal • Dec. 26, 2025

A hermit crab will inspect a shell with care, running antennae and claws over its contours, before delicately lowering its rear end into the aperture.

From Slate • Aug. 19, 2025

"I learned how to shoot at night, adjust shutter speed and aperture," said Keerthi, who lives in the Tenkasi district.

From BBC • Mar. 14, 2025

The aperture was so screened and narrow, that curtain or shutter had been deemed unnecessary; and when I stooped down and put aside the spray of foliage shooting over it, I could see all within.

From "Jane Eyre" by Charlotte Brontë