单词 | defocus |
释义 | defocusv. transitive. To put out of focus; also intransitive, to go out of focus. ΘΚΠ the world > physical sensation > sight and vision > invisibility > be or become invisible [verb (intransitive)] > become indistinct slubber1665 film1877 fuzz1930 defocus1955 the world > physical sensation > sight and vision > invisibility > make invisible [verb (transitive)] > make indistinct overcloudc1550 fog?1592 blura1616 soften1672 obumbilatea1711 slur1782 haze1801 veil1843 fuzz1907 defocus1955 1955 Gloss. Terms Automatic Digital Computers (B.S.I.) 9 The ‘writing’ beam is initially defocused so as to excite a small circular area of the screen. 1961 G. Millerson Technique Television Production iii. 49 The director's only solution is..to have cameras defocus when their shots are not being taken. Derivatives deˈfocused adj. (also de'focussed) ΚΠ 1935 Proc. IRE 23 1338 A defocused beam will cause..spot or pattern distortion. 1950 H. Pender Electr. Engineers' Handbk. (ed. 4) II. 66 The apparent resolution is not appreciably impaired when the blue image is severely defocused. 1958 Engineering 21 Feb. 233/2 A more pleasing effect was obtained with the circular soft edged arrangement than with a de-focused primary beam. This entry has not yet been fully updated (first published 1972; most recently modified version published online September 2018). < v.1935 |
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