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Noun: lichen  lIkun or lichun
  1. Any of several eruptive skin diseases characterized by hard thick lesions grouped together and resembling lichens growing on rocks
     
  2. Any thallophytic plant of the division Lichenes; occur as crusty patches or bushy growths on tree trunks or rocks or bare ground etc.

Sounds like: liken

Derived forms: lichens

Type of: disease of the skin, fungus, skin disease, skin disorder

Part of: division Lichenes, Lichenes

Encyclopedia: Lichen