About The Word Lichen

Bay Area Crosswords

Learn about the word Lichen to help solve your crossword puzzle. Discover Lichen definitions and meaning, origins, synonyms, related terms and more at the free Crossword Dictionary.

Lichen

Lichen Meaning & Definition
Lichen Definition And Meaning

What's The Definition Of Lichen?

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

Synonyms | Synonyms for Lichen:

Related Terms | Find terms related to Lichen: acne | acne vulgaris | algae | autophyte | bean | bracken | brown algae | climber | conferva | confervoid | creeper | dermamycosis | dermatitis | dermatosis | diatom | eczema | elephantiasis | epithelioma | erysipelas | erythema | exanthem | fern | fruits and vegetables | fucus | fungus | grapevine | green algae | gulfweed | heat rash | herb | herpes | herpes simplex | herpes zoster | heterophyte | hives | impetigo | itch | ivy | jungle rot | kelp | legume | lentil | leprosy | liana | lichen primus | liverwort | lupus | lupus vulgaris | miliaria | mold | moss | mushroom | parasite | parasitic plant | pea | pemphigus | perthophyte | phytoplankton | planktonic algae | plant families | prickly heat | pruigo | pruritus | psora | puffball | pulse | red algae | ringworm | rockweed | rust | saprophyte | sargasso | sargassum | scabies | sea lentil | sea moss | sea wrack | seaweed | shingles | skin cancer | smut | succulent | tetter | toadstool | vetch | vine | wort | wrack

See Also | arctic moss | ascolichen | basidiolichen | beard lichen | beard moss | Cetraria islandica | Cladonia rangiferina | crotal | crottal | crottle | disease of the skin | division Lichenes | fungus | horsehair lichen | horsetail lichen | Iceland lichen | Iceland moss | lecanora | lichen planus | lichen ruber planus | Lichenes | reindeer lichen | reindeer moss | roccella | Roccella tinctoria | skin condition | skin disease | skin disorder | skin problem | Usnea barbata

Lichen In Webster's Dictionary

\Li"chen\ (l[imac]"k[e^]n; 277), n. [L., fr. Gr. leichh`n.] 1. (Bot.) One of a class of cellular, flowerless plants, (technically called {Lichenes}), having no distinction of leaf and stem, usually of scaly, expanded, frond-like forms, but sometimes erect or pendulous and variously branched. They derive their nourishment from the air, and generate by means of spores. The species are very widely distributed, and form irregular spots or patches, usually of a greenish or yellowish color, upon rocks, trees, and various bodies, to which they adhere with great tenacity. They are often improperly called {rock moss} or {tree moss}. Note: A favorite modern theory of lichens (called after its inventor the Schwendener hypothesis), is that they are not autonomous plants, but that they consist of ascigerous fungi, parasitic on alg[ae]. Each lichen is composed of white filaments and green, or greenish, rounded cells, and it is argued that the two are of different nature, the one living at the expense of the other. See {Hyph[ae]}, and {Gonidia}. 2. (Med.) A name given to several varieties of skin disease, esp. to one characterized by the eruption of small, conical or flat, reddish pimples, which, if unchecked, tend to spread and produce great and even fatal exhaustion.

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