| 单词 | optical activity |
| 释义 | > as lemmasoptical activity optical activity n. Physical Chemistry the property of causing optical rotation. ΘΚΠ the world > matter > chemistry > isomerism > [noun] > stereo-isomerism > optical isomerism > optical rotation > ability to produce polarization1845 optical activity1877 1877 Chem. News 23 Nov. 230/1 The optical activity disappears in those derivatives of active bodies, by the formation of which the so-called asymonetry [sic] of the carbon atoms ceases. 1913 Science 11 July 39/1 (title) The optical activity of petroleum and its significance. 1991 E. A. V. Ebsworth et al. Struct. Methods in Inorg. Chem. (ed. 2) (BNC) 294 A molecule or ion with no improper rotation axis is chiral, and will show optical activity. < as lemmas |
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