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 lichen lichen

noun

  • any thallophytic plant of the division Lichenes; occur as crusty patches or bushy growths on tree trunks or rocks or bare ground etc.  ( lichen )
    any thallophytic plant of the division Lichenes; occur as crusty patches or bushy growths on tree trunks or rocks or bare ground etc.
  • any of several eruptive skin diseases characterized by hard thick lesions grouped together and resembling lichens growing on rocks  ( lichen )
    any of several eruptive skin diseases characterized by hard thick lesions grouped together and resembling lichens growing on rocks


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