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orchis mascula | orchis papilionaceae | orchis spectabilis | orchitis | orchotomy | orcin | orcinus | orcinus orca | orcus | orczy | ord




orcinn. [Etymology uncertain: cf. F. orcine.].
     A colorless crystalline substance, C6H3.CH3.(OH)2, which is obtained from certain lichens (Roccella, Lecanora, etc.), also from extract of aloes, and artificially from certain derivatives of toluene. It changes readily into orcein.  [1913 Webster]


orcin, n. (also orcinol) a crystalline substance, becoming red in air, extracted from any of several lichens and used to make dyes.

mod.L orcina f. It. orcello orchil

For further exploring for "orcin" in Webster Dictionary Online

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