aperture

ap·er·ture  (pr-chr)

n.

1. An opening, such as a hole, gap, or slit.

2.

a. A usually adjustable opening in an optical instrument, such as a camera or telescope, that limits the amount of light passing through a lens or onto a mirror.

b. The diameter of such an opening, often expressed as an f-number.

c. The diameter of the objective of a telescope.

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[Middle English, from Latin apertra, from apertus, past participle of aperre, to open; see wer-⁴ in Indo-European roots.]

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aper·tural adj.

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aperture

Noun

1. a hole or opening

2. an opening in a camera or telescope that controls the amount of light entering it [Latin aperire to open]

Thesaurus

Noun	1.	aperture - a device that controls amount of light admitted camera, photographic camera - equipment for taking photographs (usually consisting of a lightproof box with a lens at one end and light-sensitive film at the other) regulator - any of various controls or devices for regulating or controlling fluid flow, pressure, temperature, etc. telescope, scope - a magnifier of images of distant objects
	2.	aperture - a natural opening in something eye, oculus, optic - the organ of sight pupil - the contractile aperture in the center of the iris of the eye; resembles a large black dot hole - an opening into or through something micropyle - minute opening in the wall of an ovule through which the pollen tube enters stoma, stomate, pore - a minute epidermal pore in a leaf or stem through which gases and water vapor can pass
	3.	aperture - an man-made opening; usually small embouchure, mouthpiece - the aperture of a wind instrument into which the player blows directly mouthpiece - a part that goes over or into the mouth of a person; "the mouthpiece of a respirator" opening - a vacant or unobstructed space that is man-made; "they left a small opening for the cat at the bottom of the door"

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aperture

noun opening, space, hole, crack, gap, rent, passage, breach, slot, vent, rift, slit, cleft, eye, chink, fissure, orifice, perforation, eyelet, interstice

Translations

aperture [ˈæpətʃjuəʳ] n → rendija, resquicio;

(PHOT) → abertura

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aperture [ˈæpətʃjuəʳ] n → orifice m, ouverture f;

(Phot) → ouverture (du diaphragme)

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aperture [ˈæpətʃjuəʳ] n → Öffnung f;

(Phot) → Blende f

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aperture [ˈæpətʃjuəʳ] n → apertura