| 单词 | specific heat |
| 释义 | > as lemmasspecific heat c. specific heat (Physics): the heat required to raise the temperature of a given substance to a given extent (usually one degree); it is calculated relatively to some standard substance, usually water (see quot. 1871), and forms a measure of the given substance's capacity for heat. ΘΚΠ the world > matter > physics > electromagnetic radiation > heat > [noun] > specific heat specific heata1832 a1832 Sir J. Leslie in Encycl. Brit. I. 645/2 The best series of experiments on the distribution of heat among different bodies was performed before the year 1784 by Professor Gadolin of Abo, who, rejecting the notion of Capacity, introduced the unexceptionable expression, Specific Heat. 1842 W. T. Brande Dict. Sci., Lit. & Art 544/2 The term specific heat is applied to the quantity of thermometric heat required to raise different substances to the same temperature... The specific heat of water being = 1, that of oil is 0·5. 1863 J. Tyndall Heat (1870) 139 As the specific heat increases, the atomic weight diminishes, and vice versa. 1871 J. C. Maxwell Theory of Heat iii. 66 The Specific Heat of a body is the ratio of the quantity of heat required to raise that body one degree to the quantity required to raise an equal weight of water one degree. 1881 Nature No. 627. 15 Platinum has a specific heat of only ·032. < as lemmas |
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