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Medical Term:


Pronunciation: or'sin-ol

Definition: Parent substance of the natural dye orcein, obtained from certain colorless lichens (Lecanora tinctoria, Rocella tinctoria) by treatment with boiling water; used as an external antiseptic in various skin diseases and in chemistry as a reagent for pentoses.

Synonym(s): 5-methylresorcinol, orcin

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