orcin [
'ɔrsɪn]
[化] 苔黑素; 苔黑酚; 5-甲基-1,3-苯二酚
[医] 苔黑素, 二羟基甲苯, 苔黑酚
Orcin \Or"cin\, n. [Etymology uncertain: cf. F. orcine.] (Chem.)
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.