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...

Licheniform :: Licheniform (a.) Having the form of a lichen.

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

Mycose :: Mycose (n.) A variety of sugar, isomeric with sucrose and obtained from certain lichens and fungi. Called also trehalose..

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

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

Usnic :: Usnic (a.) Pertaining to, or designating, a complex acid obtained, as a yellow crystalline substance, from certain genera of lichens (Usnea, Parmelia, etc.)..

Roccellic :: Roccellic (a.) Pertaining to, or designating, a dibasic acid of the oxalic series found in archil (Roccella tinctoria, etc.), and other lichens, and extracted as a white crystalline substance C17H32O4..

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

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

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

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..

Lichenography :: Lichenography (n.) A description of lichens; the science which illustrates the natural history of lichens.

Apothecium :: Apothecium (n.) The ascigerous fructification of lichens, forming masses of various shapes..

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

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

Lecanoric :: Lecanoric (a.) Pertaining to, or designating, an organic acid which is obtained from several varieties of lichen (Lecanora, Roccella, etc.), as a white, crystalline substance, and is called also orsellic, / diorsellinic acid, lecanorin, etc..

Ascus :: Ascus (n.) A small membranous bladder or tube in which are inclosed the seedlike reproductive particles or sporules of lichens and certain fungi.

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

Soredium :: Soredium (n.) A patch of granular bodies on the surface of the thallus of lichens.

Orchilla Weed :: Orchilla weed () The lichen from which archil is obtained. See Archil.

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