About The Word Aperture
Learn about the word Aperture to help solve your crossword puzzle. Discover Aperture definitions and meaning, origins, synonyms, related terms and more at the free Crossword Dictionary.
Aperture
| Aperture Definition And Meaning |
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What's The Definition Of Aperture?
[n] an opening; usually small
[n] a device that controls amount of light admitted [n] an opening in something Synonyms | Synonyms for Aperture: Related Terms | Find terms related to Aperture: access | aisle | alley | ambulatory | arcade | artery | avenue | bore | breach | break | broaching | cavity | channel | chasm | check | chink | clearing | cleft | cloister | colonnade | communication | conduit | connection | corridor | covered way | crack | crevice | cut | defile | disclosure | discontinuity | exit | fenestra | ferry | fissure | fistula | fontanel | foramen | ford | gallery | gap | gape | gash | gat | gulf | hiatus | hole | hollow | inlet | interchange | intersection | interstice | interval | junction | lacuna | lane | laying open | leak | opening | opening up | orifice | outlet | overpass | pass | passage | passageway | perforation | pinhole | pore | portico | prick | puncture | railroad tunnel | rupture | slash | slit | slot | space | split | stoma | throwing open | traject | trajet | tunnel | uncorking | underpass | unstopping | vent | yawn See Also | camera | embouchure | hole | micropyle | mouthpiece | opening | photographic camera | pore | pupil | regulator | scope | stoma | telescope Aperture In Webster's Dictionary \Ap"er*ture\ (?; 135), n. [L. apertura, fr. aperire.
See {Aperient}.]
1. The act of opening. [Obs.]
2. An opening; an open space; a gap, cleft, or chasm; a
passage perforated; a hole; as, an aperture in a wall.
An aperture between the mountains. --Gilpin.
The back aperture of the nostrils. --Owen.
3. (Opt.) The diameter of the exposed part of the object
glass of a telescope or other optical instrument; as, a
telescope of four-inch aperture.
Note: The aperture of microscopes is often expressed in
degrees, called also the angular aperture, which
signifies the angular breadth of the pencil of light
which the instrument transmits from the object or point
viewed; as, a microscope of 100[deg] aperture.
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