| 释义 |
ˈpoundal
[f. pound n.1: cf. cental.]
See quot. (Also called foot-poundal.)
1879Thomson & Tait Nat. Phil. I. i. §225 We..define the British absolute unit force as ‘the force which, acting on one pound of matter for one second, generates a velocity of one foot per second’. Prof. James Thomson has suggested the name ‘Poundal’ for this unit of force. 1884A. Daniell Princ. Phys. ii. 19. |