| 单词 | optically active | 
| 释义 | > as lemmasoptically active   optically active adj. Physical Chemistry possessing optical activity; causing optical rotation. ΚΠ 1858    H. Watts  & R. Bridges Graham's Elem. Inorg. Chem. 		(ed. 2)	 Suppl. 666  				The preceding method may be directly applied to determine the strength of a solution of any optically active substance. 1919    S. B. Schryver Study Biol. Chem. v. 199  				All the native monosaccharoses are optically active. 1999    I. Kostov  & R. I. Kostov Crystal Habits Minerals vi. 180  				On cubic crystals, optically active solutions may form etch figures with gyroidal symmetry. < as lemmas | 
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