| 单词 | lichen-acid |
| 释义 | > as lemmaslichen-acid lichen-acid n. any lichen substance which is an acid. ΘΚΠ the world > matter > chemistry > organic chemistry > acids obtained from lichens > [noun] lichenic acid1836 lichen-acid1893 lichen substance1900 1893 Jrnl. Royal Microsc. Soc. 497 (heading) New lichen-acid. 1967 M. E. Hale Biol. Lichens viii. 119 Lichen acids and pigments increase the opacity of the upper cortex. < as lemmas |
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