单词 | dromometer |
释义 | dromometern. 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). < n.a1687 |
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