“cyanometer”的英文意思_释义_用法

单词

cyanometer

释义

cyanometer|saɪəˈnɒmɪtə(r)|
[f. cyano- 1 + -meter, after F. cyanomètre (1791 in Hatzfeld).]
An instrument for measuring the intensity of the blue of the sky.
1829Nat. Philos., Optics xviii. 65 (Useful Knowl. Soc.) In order to measure this intensity, M. Saussure contrived an instrument called a Cyanometer.1852Th. Ross Humboldt's Trav. I. ii. 84 We beheld with admiration the azure colour of the sky. Its intensity at the zenith appeared to correspond to 41° of the cyanometer.
Hence cyanoˈmetric a.; also cyaˈnometry, measurement of the intensity of the blue of the sky.
1853Pharmac. Jrnl. XII. 499 A New Cyanometric Process..founded upon the reaction of iodine upon the cyanides.1885Encycl. Brit. XVIII. 481 Peltier's other papers..are devoted in great part to atmospheric electricity, waterspouts, cyanometry and polarization of sky-light.

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