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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

The latest version, made by ASML, performs high numerical aperture extreme ultraviolet lithography.

From The Wall Street Journal • Nov. 3, 2025

A camera’s aperture widens during filming to capture the full spectacle.

From Salon • Aug. 23, 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

Tally popped open the heart pendant, looking down into the little glowing aperture where the laser waited to read her eye- print.

From "Uglies" by Scott Westerfeld




Vocabulary lists containing aperture