Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of lichen is as below...

Amphigenous :: Amphigenous (a.) Increasing in size by growth on all sides, as the lichens..

Frond :: Frond (n.) The organ formed by the combination or union into one body of stem and leaf, and often bearing the fructification; as, the frond of a fern or of a lichen or seaweed; also, the peculiar leaf of a palm tree..

Fibrillose :: Fibrillose (a.) Covered with hairlike appendages, as the under surface of some lichens; also, composed of little strings or fibers; as, fibrillose appendages..

Gonidium :: Gonidium (n.) A component cell of the yellowish green layer in certain lichens.

Excipulum :: Excipulum (n.) The outer part of the fructification of most lichens.

Evernic :: Evernic (a.) Pertaining to Evernia, a genus of lichens; as, evernic acid..

Eschara :: Eschara (n.) A genus of Bryozoa which produce delicate corals, often incrusting like lichens, but sometimes branched..

Gonimia :: Gonimia (n. pl.) Bluish green granules which occur in certain lichens, as Collema, Peltigera, etc., and which replace the more usual gonidia..

Erythrite :: Erythrite (n.) A colorless crystalline substance, C4H6.(OH)4, of a sweet, cooling taste, extracted from certain lichens, and obtained by the decomposition of erythrin; -- called also erythrol, erythroglucin, erythromannite, pseudorcin, cobalt bloom, and under the name phycite obtained from the alga Protococcus vulgaris. It is a tetrabasic alcohol, corresponding to glycol and glycerin..

Erythrine :: Erythrine (n.) A colorless crystalline substance, C20H22O10, extracted from certain lichens, as the various species of Rocella. It is a derivative of orsellinic acid. So called because of certain red compounds derived from it. Called also erythric acid..

Cetrarin :: Cetrarin (n.) A white substance extracted from the lichen, Iceland moss (Cetraria Islandica). It consists of several ingredients, among which is cetraric acid, a white, crystalline, bitter substance..

Podetium :: Podetium (n.) A stalk which bears the fructification in some lichens, as in the so-called reindeer moss..

Cup-moss :: Cup-moss (n.) A kind of lichen, of the genus Cladonia..

Agar-agar :: Agar-agar (n.) A fucus or seaweed much used in the East for soups and jellies; Ceylon moss (Gracilaria lichenoides).

Archil :: Archil (n.) A violet dye obtained from several species of lichen (Roccella tinctoria, etc.), which grow on maritime rocks in the Canary and Cape Verd Islands, etc..

Lichenographist :: Lichenographist (n.) One who describes lichens; one versed in lichenography.

Spermogonium :: Spermogonium (n.) A conceptacle of certain lichens, which contains spermatia..

Patella :: Patella (n.) A kind of apothecium in lichens, which is orbicular, flat, and sessile, and has a special rim not a part of the thallus..

Gonimous :: Gonimous (a.) Pertaining to, or containing, gonidia or gonimia, as that part of a lichen which contains the green or chlorophyll-bearing cells..

Iceland Moss :: Iceland moss () A kind of lichen (Cetraria Icelandica) found from the Arctic regions to the North Temperate zone. It furnishes a nutritious jelly and other forms of food, and is used in pulmonary complaints as a demulcent..

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