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...

Hyphae :: Hyphae (n. pl.) The long, branching filaments of which the mycelium (and the greater part of the plant) of a fungus is formed. They are also found enveloping the gonidia of lichens, making up a large part of their structure..

Cudbear :: Cudbear (n.) A powder of a violet red color, difficult to moisten with water, used for making violet or purple dye. It is prepared from certain species of lichen, especially Lecanora tartarea..

Scutellum :: Scutellum (n.) A rounded apothecium having an elevated rim formed of the proper thallus, the fructification of certain lichens..

Parietic :: Parietic (a.) Pertaining to, or designating, an acid found in the lichen Parmelia parietina, and called also chrysophanic acid..

Persis :: Persis (n.) A kind of coloring matter obtained from lichens.

Lichenous :: Lichenous (a.) Of, pertaining to, or resembling, lichens; abounding in lichens; covered with lichens..

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..

Orsellic :: Orsellic (a.) Pertaining to, or designating, an acid found in certain lichens, and called also lecanoric acid..

Lichen :: Lichen (n.) 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..

Maplike :: Maplike (a.) Having or consisting of lines resembling a map; as, the maplike figures in which certain lichens grow..

Lichenographic :: Lichenographic (a.) Alt. of Lichenographica.

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..

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

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

Scyphus :: Scyphus (n.) A cup-shaped stem or podetium in lichens. Also called scypha. See Illust. of Cladonia pyxidata, under Lichen..

Athalamous :: Athalamous (a.) Not furnished with shields or beds for the spores, as the thallus of certain lichens..

Rhizine :: Rhizine (n.) A rootlike filament or hair growing from the stems of mosses or on lichens; a rhizoid.

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

Angiocarpous :: Angiocarpous (a.) Having the seeds or spores covered, as in certain lichens..

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

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