Englishfor English speakers
frosted
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adjective
(of glass) having a roughened coating resembling frost
frosted glass
lichen
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noun
any thallophytic plant of the division Lichenes; occur as crusty patches or bushy growths on tree trunks or rocks or bare ground etc
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noun
any of several eruptive skin diseases characterized by hard thick lesions grouped together and resembling lichens growing on rocks