ap·er·ture

(ăp′ər-chər)

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

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.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

aperture

(ˈæpətʃə)

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]

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

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:

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"

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.

Collins Thesaurus of the English Language – Complete and Unabridged 2nd Edition. 2002 © HarperCollins Publishers 1995, 2002

aperture

noun

An open space allowing passage:

hole, mouth, opening, orifice, outlet, vent.

Translations

ثقبثُقْب، فَتْحَهفَتْحَة عَدَسَة الكاميرا

clonadíraotvorštěrbina

åbningaperturblændeåbninghul

Öffnung Blende Blendenzahl

άνοιγμα

apertura orificio

aukkoreikä

ouverture

otvor

lencsenyílás

gat, opljósop

abboccatura apertura apertura diaframma fessura

開口部

구멍

diafragmaplyšys

atvērumscaurumssprauga

svetelnosť

öppning

ช่อง

açıklık aralık delikdiyafram açıklığıyarık

lỗ hổng

光圈孔孔径小孔

aperture

[ˈæpətʃjʊəʳ] N

1. (= crack) → rendija f, resquicio m

2. (Phot) → abertura f

Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

aperture

[ˈæpə^rtʃə^r] n

(= opening) → orifice m, ouverture f

(PHOTOGRAPHY) [camera] → ouverture f (du diaphragme)

aperture

n → Öffnung f; (Phot) → Blende f

Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007

aperture

[ˈæpətʃjʊəʳ] n → fessura (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.