| 单词 | hofmann violet |
| 释义 | > as lemmasHofmann violet Hofmann violet n. (also Hofmann's violet, Hoffman's Violet, Hofmann Violet) any of several basic dyes that are salts of ethyl and methyl derivatives of rosaniline and pararosaniline and were formerly used with wool, silk, and mordanted cotton.extracted from Hofmannn.< as lemmas |
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