Subscriber login


Forgot your password?

Library card login

Other

aperture

Syllabification: (ap·er·ture)
Pronunciation: /ˈapərˌCHər/

Translate aperture | into German | into Italian | into Spanish
Definition of aperture

noun

chiefly technical
  • an opening, hole, or gap:the bell ropes passed through apertures in the ceiling
  • a space through which light passes in an optical or photographic instrument, especially the variable opening by which light enters a camera.

Derivatives

apertural

adjective

Origin:

late Middle English: from Latin apertura, from apert- 'opened', from aperire 'to open'

aperture in other Oxford dictionaries

Definition of aperture in the British & World English dictionary

Nearby words

  |  Cite

Word of the day

secretagogue

/ siˈkrētəˌgôg /
noun
a substance that promotes secretion …