| 单词 | lichen |
| 释义 | Word Frequency lichen(ˈlaɪkən, ˈlɪtʃən) noun 1. an organism that is formed by the symbiotic association of a fungus and an alga or cyanobacterium and occurs as crusty patches or bushy growths on tree trunks, bare ground, etc. Lichens are now classified as a phylum of fungi (Mycophycophyta) 2. pathology any of various eruptive disorders of the skin Derived forms lichened (ˈlichened) adjective lichen-like (ˈlichen-ˌlike) adjective lichenoid (ˈlichenˌoid) adjective lichenous (ˈlichenous) or lichenose (ˈlichenˌose) adjective Word origin C17: via Latin from Greek leikhēn, from leikhein to lick |
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