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单词 cryometer
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cryometer
cryometer n.
Brit. /krʌɪˈɒmᵻtə/
,
U.S. /kraɪˈɑmədər/
an instrument for measuring very low temperatures.Whether this is the meaning in quot. 1821 is uncertain. The word does not occur again in the book cited, and most subsequent 19th-cent. uses seem to reflect uses of German Kryometer (1838 or earlier).
ΚΠ
1821 A. Ure Dict. Chem. (U.S. ed.) p. vii The article Caloric, as well as..its correlative subjects, Temperature, Thermometer, Evaporation, Congelation, Cryometer, Dew, and Climate.
1845 Chem. Gaz. 3 171 (heading) Pleischl's kryometer.
1880 W. Thomson in Proc. Royal Soc. Edinb. 10 532 The sulphurous acid steam thermometer might more properly be called a cryometer than a thermometer, because it is not very convenient, except for measuring temperatures lower than the atmospheric temperature.
1908 Jrnl. Proc. & Addr. Ninth Ann. Conf. (Assoc. Amer. Universities) 28 The development of the kryometer by which low temperatures are measured to one ten-thousandth of a degree.
1988 Oecologia 76 269/1 The osmotic pressure of the extracts was measure with a cryometer by freezing-point determination.
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