| 单词 | electromotive force |
| 释义 | > as lemmaselectromotive force electromotive force n. the force (originally, that in a voltaic cell) which tends to make an electric current flow; the tendency to cause an electric current, as measured in units such volts; a potential difference; abbreviated e.m.f. ΘΚΠ the world > matter > physics > electromagnetic radiation > electricity > electricity in living organisms > [noun] animal electricity1765 electromotive force1824 bioelectricity1925 protonmotive force1966 1824 Encycl. Brit. Suppl. IV. 431/2 It cannot..supply this action itself, as its own electromotive force is so very weak and insensible. 1878 M. Foster Text Bk. Physiol. (ed. 2) i. ii. 49 The electromotive force of the sciatic nerve of a frog. 1922 T. M. Lowry Inorg. Chem. xviii. 197 An electric battery in which the chemical action can be reversed completely by a current passing through it in opposition to its electromotive force is called an accumulator. 1971 Tri-City Herald (Washington) 23 June 8/13 We conceive of a ‘decibel’ as a unit of sound, as a ‘volt’ is a unit of electromotive force. 2004 Proc. National Acad. Sci. U.S.A. 101 2855/2 Glu-14..couples the proton electromotive force driving substrate translocation. < as lemmas |
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