Meaning of “aperture” in the English Dictionary

british dictionary

"aperture" in British English

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aperturenoun [ C ]

uk /ˈæp.ə.tʃər/ us /ˈæp.ɚ.tʃɚ/

Examples

  • 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" in American English

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aperturenoun [ C ]

us /ˈæp·ərˌtʃʊər, -tʃər/

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)