单词 | lecanoric |
释义 | lecanoricadj. Chemistry. lecanoric acid n. a crystalline substance obtained by Schunck from certain members of the genus Lecanora of lichens. ΚΠ 1852 H. B. Jones & A. W. Hoffman Fownes's Man. Elem. Chem. (ed. 4) 576 Boiled with water for some time, erythric acid absorbs 2 eq. and yields picro-erythrin..and a new acid..which is termed by some chemists lecanoric, by others orsellinic acid. Derivatives lecanorate n. ΚΠ 1865 H. Watts Dict. Chem. III. 565 The lecanorates gradually decompose, especially when heated, yielding orsellinic acid, and ultimately orcin. lecanorin n. ΚΠ 1844 G. Fownes Man. Elem. Chem. 488 Fresh dye-lichens, exhausted by ether, yield a crystalline substance, which when purified by solution in alcohol, is perfectly white; to this the name lecanorine has been given. This entry has not yet been fully updated (first published 1902; most recently modified version published online June 2021). < |
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