“lecanoric”的英文意思_释义_用法

单词

lecanoric

释义

lecanoric, a. Chem.|lɛkəˈnɒrɪk|
[f. Lecanora, the name of a genus of lichens.]
lecanoric acid: a crystalline substance obtained by Schunck from certain members of the genus Lecanora of lichens. Hence lecanorate |-ˈɔərət|, a salt of lecanoric acid; lecanorin |-ˈɔərɪn| = lecanoric acid.
1844Fownes 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.1852Ibid. (ed. 4) 577 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.1865Watts Dict. Chem. III. 565 The lecanorates gradually decompose, especially when heated, yielding orsellinic acid, and ultimately orcin.

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