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单词 dromometer
释义

dromometern.

Etymology: < Greek δρόμος course: see -meter comb. form2. Compare French dromomètre (1858).Previous versions of the OED give the stress as: droˈmometer.
A measurer of speed; a pocket instrument, serving to check the indications of the dromoscope.
ΚΠ
1881 Nature 7 July 225/2 Colonel Leboulangé will exhibit..his ingenious dromometer and dromoscope for controlling the velocity of trains.

Derivatives

droˈmometry n. the measurement of velocity.
ΘΚΠ
society > travel > travel by water > directing or managing a ship > [noun] > course > course made good in specific direction > measurement of speed
dromometrya1687
a1687 W. Petty in Philos. Trans. (Royal Soc.) (1693) 17 658* Dromometry, and the Measures of a Ships Motions at Sea.
This entry has not yet been fully updated (first published 1897; most recently modified version published online June 2019).
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n.a1687
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更新时间:2024/11/10 19:04:47