英语词汇“polychroite”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	polychroite
释义	polychroite Chem.\|ˈpɒlɪkrəʊaɪt\| [a. F. polychroïte (Ann. Chim. 1806), f. Gr. πολύχρο-ος (see polychroic): see -ite¹.] Name for the colouring matter of saffron (also called safranin), which exhibits various colours under various reagents. 1815W. Henry Elem. Chem. (ed. 7) II. 254 Polychroite. This name has been given, by Bouillon La Grange and Vogel, to the extract of saffron prepared with alcohol.1831J. Davies Manual Mat. Med. 245 The substance..denominated Polychroite, is but a compound of colouring matter and volatile oil.1874Garrod & Baxter Mat. Med (1880) 373 Saffron..yields to water and alcohol an orange-red colouring matter called polychroite, changed into blue by oil of vitriol.
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