单词 | chrysophanic acid |
释义 | > as lemmaschrysophanic acid chrysophanic acid n. Brit. /ˌkrɪsəfanɪk ˈasɪd/ , U.S. /ˈˌkrɪsəˌfænɪk ˈæsəd/ [as chrysophan n.] the yellow colouring principle of rhubarb and of the wall-lichen.ΚΠ 1861 H. Macmillan Footnotes from Nature 118 The common yellow wall-lichen..yields a beautiful golden yellow crystallizable colouring matter called chrysophanic acid. < as lemmas |
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