Simple Definition of aperture
: a hole or small opening in something
: an opening that controls the amount of light that passes through a lens (such as a camera lens)
Full Definition of aperture
1 : an opening or open space : hole
2 a : the opening in a photographic lens that admits the light b : the diameter of the stop in an optical system that determines the diameter of the bundle of rays traversing the instrument c : the diameter of the objective lens or mirror of a telescope
Examples of aperture
We entered the cave through a narrow aperture.
The photograph was taken using a fast shutter speed and a large aperture.
Origin of aperture
Middle English, from Latin apertura, from apertus, past participle of aperire to open
First Known Use: 15th century
Rhymes with aperture
amateur, armature, blackamoor, carrefour, carte du jour, coinsure, commissure, confiture, connoisseur, coverture, curvature, cynosure, embouchure, epicure, filature, forfeiture, garniture, geniture, green-manure, haute couture, immature, insecure, ligature, manicure, overture, paramour, pedicure, plat du jour, portraiture, prelature, premature, quadrature, reassure, Reaumur, reinsure, saboteur, sepulture, sequitur, signature, simon-pure, sinecure, soup du jour, tablature, temperature, to be sure, troubadour, white amur, Yom Kippur
APERTURE Defined for Kids
Medical Definition of aperture
1: an opening or open space
2: the diameter of the stop in an optical system that determines the diameter of the bundle of rays traversing the instrument
Learn More about aperture
Thesaurus: All synonyms and antonyms for "aperture" Medical Dictionary: Definition of "aperture" Spanish Central: Translation of "aperture" Nglish: Translation of "aperture" for Spanish speakers Britannica English: Translation of "aperture" for Arabic speakers Britannica.com: Encyclopedia article about "aperture"
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