aperture

1. 1.

   a device that controls amount of light admitted

   Broaderregulator

   Part ofcameratelescope
2. 2.

   a natural opening in something

   Broaderhole

   Narrowerpupilmicropylestoma

   Part ofeye
3. 3.

   an man-made opening; usually small

   Broaderopening

   Narrowermouthpiece

Other forms of aperture

plural

apertures·

Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.

Questions about aperture

What does aperture mean?

aperture means "a device that controls amount of light admitted". That is the primary sense; the word has 3 in total, listed in full on this page.

How many syllables are in aperture?

aperture has 3 syllables: ap-er-ture. The stress falls on "ap". In IPA it is /ˈæpɚtʃɚ/.

Is aperture a common word?

aperture is banded "Uncommon" — turns up in careful writing rather than conversation. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.