“cratometer”的英文意思_释义_用法

单词

cratometer

释义

cratometer|krəˈtɒmɪtə(r)|
Also krato-.
[mod.f. Gr. κράτος power + µέτρον measure.
The stem of the Gr. word is κράτε-, and the proper formation would be crateometer. Cratometer ought to mean ‘head-measurer’.]
(See quots.)
1876Catal. Sci. Appar. S. Kens. 504 Kratometer for finding magnifying power, and focal length of objectives. Dr. Royston Pigott, F.R.S.1880P. Greg Acr. Zodiac I. ii. 47, I inspected the cratometer, which indicated a force as great as that with which I had started.
Hence crato-, kratoˈmetric a., pertaining to the measurement of power.
1836Emerson Eng. Traits, Land Wks. (Bohn) II. 18 I have seen a kratometric chart designed to show that the city of Philadelphia was in the same thermic belt..as the cities of Athens, Rome, and London.

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