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aperture

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aperture

Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++
Related topics: Photography
ap·er·ture /ˈæpətʃə $ ˈæpərtʃʊr/ noun [countable]  1. HOLE formal a small hole or space in something 孔,缝隙2. TCPthe small hole at the front of a camera, which can be made larger or smaller to let more or less light in when you take a photograph 〔照相机的〕光圈,孔径
Examples from the Corpus
apertureThe telescope has an aperture of 2.4 metres.The three of them watched in breathless silence as the doors reached their maximum aperture.Lightning flickered in the ragged aperture where the ground-floor staircase door had been.Her sculptures are hybrids of organic and machine forms: cylinders punctuated with round apertures and protuberances.I had to get the aperture right.As with telescopes, the larger the aperture the greater the light-grasp, but there are hazards too.Binoculars of this aperture cost a great deal of money.The box has 10 tiny apertures through which viewers can see 3-D images.
Origin aperture (1600-1700) Latin apertura, from aperire to open
ap·er·ture nounChineseSyllable
in small a space Corpus something or hole


aperture
aperture /ˈæpətʃə $ ˈæpərtʃʊr/ noun [countable]
 Date: 1600-1700
 Language: Latin
 Origin: apertura, from aperire 'to open'
1. formal a small hole or space in something
2. the small hole at the front of a camera, which can be made larger or smaller to let more or less light in when you take a photograph


aper·tureBrE /ˈæpətʃə(r)/ 🔊NAmE /ˈæpətʃər/ 🔊, also /ˈæpətʃʊr/ 🔊 noun(formal) a small opening in sth 小孔;缝隙(specialist) an opening that allows light to reach a lens, especially in cameras (尤指摄影机等的光圈)孔径For flash photography, set the aperture at f.5.6. 用闪光照相,要把光圈孔径定为 5.6。🔊🔊