lichen lichen  /ˈlaɪ kən/


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


  1. That puts a layer of ice on the lichen the reindeer feed on, and they end up underweight.
  2. When scientists try to explain the weatherworn, lichen-covered slabs, the activities of past diggers are as much hindrance as help.
  3. It could be the name of an infectious disease, a moss lichen or a law-school seminar.


  • Lichen (Teloschistaceae)

    Scientific name: The taxonomy of lichens is a somewhat disputed system. Many 'lichenologists' would probably place most lichens found in Missouri in the fungus family Teloschistaceae, but that classification would likely be disputed by some.
    on June 27, 2013     Source: The Springfield News-Leader

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/ˌæ fɛk ˈteɪ ʃən /