| 释义 |
droˈmometer
[f. Gr. δρόµο-ς course: see -meter.]
A measurer of speed; a pocket instrument, serving to check the indications of the dromoscope.
1881Nature XXIV. 225 Colonel Leboulangé will exhibit his ingenious dromometer and dromoscope for controlling the velocity of trains.
So droˈmometry, the measurement of velocity.
1685Petty in Phil. Trans. XVII. 658 Dromometry, and the Measures of a Ships Motions at Sea. |