aperture
[noun]
Synonyms: hole, opening, orifice, outlet, vent

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Related Words: discontinuity, gap, hiatus, interstice, bore, perforation, pinhole, prick, puncture, chasm, cleft, cut, gash, slash, slit, breach, break, rupture

[TahlilGaran] English Synonym Dictionary ▲

ap‧er‧ture /ˈæpətʃə $ ˈæpərtʃʊr/ noun [countable]
[Date: 1600-1700; Language: Latin; Origin: apertura, from aperire 'to open']

1. formal a small hole or space in something

2. the small hole at the front of a camera, which can be made larger or smaller to let more or less light in when you take a photograph

[TahlilGaran] Dictionary of Contemporary English ▲