Definify.com
Webster 1913 Edition
Orcin
Or′cin
,Noun.
[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.