Crossword clues for orcin
orcin
The Collaborative International Dictionary
Orcin
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.
Wiktionary
orcin
n. (context organic compound English) The organic compound 3,5-dihydroxytoluene, found in many lichens and synthesizable from toluene.
Usage examples of "orcin".
In true litmus, the coloring matter results from the action of air and ammonia on orcin during the preparation of litmus from the lichens from which it is made.