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aperture
(redirected from Apertures)

   Also found in: Medical, Legal, Encyclopedia, Wikipedia 0.01 sec.
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.

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

aper·tural adj.

aperture [ˈæpətʃə]
n
1. a hole, gap, crack, slit, or other opening
2. (Physics / General Physics) Physics
a.  a usually circular and often variable opening in an optical instrument or device that controls the quantity of radiation entering or leaving it
b.  the diameter of such an opening See also relative aperture
[from Late Latin apertūra opening, from Latin aperīre to open]

ap•er•ture (ˈæp ər tʃər)

n.
1. an opening, as a hole, slit, or gap.
2. Also called ap′erture stop`. an opening, usu. circular, that limits the quantity of light that can enter an optical instrument, as the lens of a camera.
[1400–50; late Middle English < Latin apertūra=apert(us), past participle of aperīre to open (see aperient) + -ūra -ure]
ap′er•tured, adj.
Thesaurus Legend:  Synonyms Related Words Antonyms
Noun1.aperture - a device that controls amount of light admittedaperture - 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 somethingaperture - 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 openingaperture - 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"

aperture
noun opening, space, hole, crack, gap, rent, passage, breach, slot, vent, rift, slit, cleft, eye, chink, fissure, orifice, perforation, eyelet, interstice Through the aperture he could see daylight.
Translations
aperture [ˈæpətʃjʊəʳ] N
1. (= crack) → rendija f, resquicio m
2. (Phot) → abertura f

aperture [ˈæpərtʃər] n
(= opening) → orifice m, ouverture f
(PHOTOGRAPHY) [camera] → ouverture f (du diaphragme)

aperture
nÖffnung f; (Phot) → Blende f

aperture [ˈæpətʃjʊəʳ] nfessura (Phot) → apertura

aperture (ˈӕpətjuə) noun
1. an opening or hole.
2. (the size of) the opening (eg in a camera) through which light passes.

aperture ثقب otvor åbning Öffnung άνοιγμα apertura aukko ouverture otvor apertura 開口部 구멍 opening åpning otwór abertura отверстие öppning ช่อง açıklık lỗ hổng 光圈
ap·er·ture
n.  apertura, abertura, paso, boquete.


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