aperture


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Related to aperture: Shutter speed

ap·er·ture

 (ăp′ər-chər)
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 apertūra, from apertus, past participle of aperīre, to open; see wer- in Indo-European roots.]

ap′er·tur′al adj.

aperture

(ˈæpətʃə)
n
1. a hole, gap, crack, slit, or other opening
2. (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
[C15: 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.
ThesaurusAntonymsRelated WordsSynonymsLegend:
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.

aperture

noun
An open space allowing passage:
Translations
ثقبثُقْب، فَتْحَهفَتْحَة عَدَسَة الكاميرا
clonadíraotvorštěrbina
åbningaperturblændeåbninghul
aukkoreikä
otvor
lencsenyílás
gat, opljósop
開口部
구멍
diafragmaplyšys
atvērumscaurumssprauga
svetelnosť
öppning
ช่อง
açıklıkaralıkdelikdiyafram açıklığıyarık
lỗ hổng

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 štěrbina åbning Öffnung άνοιγμα apertura, orificio aukko ouverture otvor fessura 開口部 구멍 opening åpning otwór abertura отверстие öppning ช่อง açıklık lỗ hổng 小孔

ap·er·ture

n. apertura, abertura, paso, boquete.
References in classic literature ?
The explosion soon followed; the upper rock was lifted from its base by the terrific force of the powder; the lower one flew into pieces; thousands of insects escaped from the aperture Dantes had previously formed, and a huge snake, like the guardian demon of the treasure, rolled himself along in darkening coils, and disappeared.
In the trap-door itself was found a square aperture cut in the wood, apparently with some exceedingly sharp instrument, just behind the bolt which fastened the door on the inner side.
Carthoris tried to support Thuvia, but himself commenced to slide and slip toward the ever-enlarging aperture.
On the floor beside the aperture lay a headless male body of almost heroic proportions, and on either side of this stood a heavily armed warrior, with drawn sword.
Here there was a little more light, for the high-up aperture over the door opened to the air.
When the oat-spry horse had hedged a little his first spurt of speed Jerry broke the lid of his cab and called down through the aperture in the voice of a cracked megaphone, trying to please:
The little pink sloth-creature was still blinking at me when my Ape-man reappeared at the aperture of the nearest of these dens, and beckoned me in.
He tried to pass his body through the aperture, but not being like the frog in the fable, who thought he was larger than he really was, he found he must take out three or four more before he could get through.
The first face which appeared at the aperture, with eyelids turned up to the reds, a mouth open like a maw, and a brow wrinkled like our hussar boots of the Empire, evoked such an inextinguishable peal of laughter that Homer would have taken all these louts for gods.
A few yards from the storeroom a ladder rose from the corridor through an aperture in the ceiling.
It showed no aperture in the mighty walls other than the tiny door at which I sank exhausted, nor was there any sign of life about it.
Glancing upward, I saw the aperture, a small blue disk, in which a star was visible, while little Weena's head showed as a round black projection.