| 单词 | absolute zero |
| 释义 | > as lemmasabsolute zero absolute zero n. [after German absolute Kälte absolute cold ( J. H. Lambert Pyrometrie (1779) ii. ii. 29)] Physics the lowest temperature theoretically possible; (originally) that at which there is no heat left in an object, (in later use) that at which molecules possess no kinetic heat energy and no motion other than zero-point motion.Absolute zero is one of the defining points of the Kelvin temperature scale, being made equal to zero; it corresponds to −273.15° Celsius. ΘΚΠ the world > matter > properties of materials > temperature > [noun] > at which some specific condition occurs freezing-point1748 boiling-point1773 absolute zero1798 firing point1807 melting temperature1827 ice point1832 dew-point1833 melting point1838 neutral temperature1854 fusing point or temperature1860 welding point1868 flashing-point1878 flashpoint1878 mp1880 ignition temperature1881 silver-point1882 fire point1884 ignition point1887 neutral point1892 smoking point1915 smoking temperature1915 pour point1922 smoke point1933 1798 Mem. Literary & Philos. Soc. Manch. 5 612 If these objections be valid, they will apply also to shew the fallacy of the theorem, for finding the absolute zero of bodies. By this term some philosophers appear to understand the point of absolute privation of caloric. 1853 W. J. M. Rankine in Trans. Royal Soc. Edinb. 1850 20 152 In perfect gases p = τ/ CD/ nM. τ may be termed absolute temperature, and the point from which it is measured, the absolute zero of temperature. 1881 Nature No. 619. 449 This exhaustion [of heat] would not be complete until the absolute zero of temperature was reached. 1935 Discovery July 213/2 The fascinating transition of metals into the super-conducting state when near to absolute zero. 1995 New Scientist 25 Mar. 20/2 Researchers working at the low temperature frontier hope to see new physical phenomena as they push towards absolute zero. < as lemmas |
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