| 单词 | orchil |
| 释义 | Word Frequency orchil(ˈɔːkɪl, -tʃɪl) or archil noun 1. any of various lichens, esp any of the genera Roccella, Dendrographa, and Lecanora 2. Also called: cudbear a purplish dye obtained by treating these lichens with aqueous ammonia: contains orcinol, orcein, and litmus Word origin C15: from Old French orcheil, of uncertain origin |
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