English-Thai Dictionary

aperture

N ช่อง  รู  gap hole chong

 

aperture

N เส้นผ่าศูนย์กลาง ของ ช่อง  เส้นผ่าศูนย์กลาง ของ รู  sen-pha-sun-klang-khong-chong

 

Webster's 1828 Dictionary

APERTURE

n. 1. The act of opening; more generally, an opening; a gap, cleft or chasm; a passage perforated; a hole through any solid substance.
2. An opening of meaning; explanation. [Not used. ]
3. In geometry, the space between two right lines, forming an angle.

 

Webster's 1913 Dictionary

APERTURE

Ap "er *ture, n. Etym: [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. )

 

Defn: 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 1 º aperture.

 

New American Oxford Dictionary

aperture

ap er ture |ˈapərˌCHər ˈæpərˌtʃər ˈæpərˌtʃʊ (ə )r | ▶noun chiefly technical an opening, hole, or gap: the bell ropes passed through apertures in the ceiling. • a space through which light passes in an optical or photographic instrument, esp. the variable opening by which light enters a camera. DERIVATIVES ap er tur al adjective ORIGIN late Middle English: from Latin apertura, from apert- ‘opened, ’ from aperire ‘to open. ’

 

aperture priority

ap er ture pri or i ty ▶noun Photography an exposure system used in some automatic cameras in which the aperture is selected by the user and the appropriate shutter speed is controlled automatically. Compare with shutter priority.

 

Oxford Dictionary

aperture

aperture |ˈapətʃə, -tj (ʊ )ə | ▶noun an opening, hole, or gap. • a space through which light passes in an optical or photographic instrument, especially the variable opening by which light enters a camera. DERIVATIVES apertural adjective ORIGIN late Middle English: from Latin apertura, from apert- ‘opened ’, from aperire ‘to open ’.

 

aperture priority

aper |ture pri ¦or |ity ▶noun [ mass noun ] Photography a system used in some automatic cameras in which the aperture is selected by the user and the appropriate shutter speed is controlled automatically. Compare with shutter priority.

 

American Oxford Thesaurus

aperture

aperture noun adjusting the aperture of the camera: opening, hole, gap, slit, slot, vent, crevice, chink, crack, interstice; technical orifice, foramen.

 

Oxford Thesaurus

aperture

aperture noun opening, hole, gap, space, slit, slot, vent, passage, crevice, chink, crack, fissure, perforation, breach, eye, interstice; technical orifice, foramen.

 

Sanseido Wisdom Dictionary

aperture

ap er ture /ǽpə r tʃʊ̀ə r , -tʃə r /名詞 C 1 ｟かたく ｠(狭い )穴, すきま, 裂け目 .2 (レンズの )口径, 絞り .