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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 outcome is a virtual synthetic aperture that is far larger than any individual sensor.

From Science Daily • Jan. 10, 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

It was as though he’d been peering through a narrow lens and the aperture began to widen to take in the entire landscape in a kind of efflorescent illumination.

From "Endgame" by Frank Brady