| 单词 | colour temperature |
| 释义 | > as lemmascolour temperature colour temperature n. the temperature of a furnace or a heated object as judged from its colour; (Physics) the temperature of a black body (a perfect radiator) that would radiate light of the same colour as a given light or light source. ΘΚΠ the world > matter > physics > electromagnetic radiation > [noun] > all-absorbing body > radiation emitted by colour temperature1882 black-body radiation1906 1882 London Med. Rec. 15 Apr. 128/2 Rays having a wave-length considerably greater than 546 millionths of a millimètre produce the sensation of a warm colour..and the rays of a wave-length considerably shorter than 546, produce the sensation of a cold colour... The spectrum, consequently, splits into a warm and a cold half. Between the two halves there are rays of medium wave-length, about 546, which correspond to the indifference-point for colour-temperature. 1889 Chem. News 18 Oct. 191/1 Several writers..have attributed the use of a fusible metal bath, and the determination of colour temperatures, as now generally received, to Hartley. 1916 Jrnl. Franklin Inst. 181 418 By ‘color temperature’ of a solid body radiating by virtue of its temperature is meant that temperature of a black body at which its radiation matches in color that of the solid body in question. 1981 J. Monaco How to read Film (rev. ed.) ii. 98 A color stock balanced for 6000° Kelvin (the color temperature of an overcast sky) will produce an annoyingly orange picture if used with standard incandescent light sources with a color temperature of 3200°K. 2007 Dive Oct. 31/1 If the colour temperature of that light varied, a colour cast would result and the only way to counteract that was with a colour-correcting filter. < as lemmas |
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