| 单词 | oil-drop |
| 释义 | > as lemmasoil-drop oil-drop n. (a) a drop of oil or lipid; (b) attributive denoting an experimental method of measuring the charge of the electron by means of the motion of electrically charged oil droplets. ΘΚΠ the world > animals > fish > [noun] > spawn > an egg or parts of spawn1563 berry1768 eye1840 oil-drop1849 the world > matter > constitution of matter > oiliness or greasiness > [noun] > oiliness > oil > drop of oil-drop1849 1849 Philos. Trans. (Royal Soc.) 139 110 I find it [sc. part of the stomach of a starfish] to consist of..granular globules, oval or circular transparent vesicles, yellow amorphous matter and oil-drops. a1866 J. Keble Misc. Poems (1869) With sweet oil-drops in His hour Feed the branch of many lights. 1913 Physical Rev. 1 218 Improvements which the ‘oil drop method’ introduced into the study of the Brownian movements. 1939 X. Herbert in B. James Austral. Short Stories (1963) 115 The first sight that caught his eye was a row of sparkling oil-drops hanging from the face of yet another outcrop. 1968 M. S. Livingston Particle Physics ii. 13 The first precise measurement of the electronic charge came with the results of Millikan's oil-drop experiment in 1909. 1990 D. A. Bositis Res. Designs Polit. Sci. 48 Millikan's oil-drop experiment is of the first type. < as lemmas |
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