orcin

Variant of orcinol

noun

a colorless, crystalline compound, CH·CH(OH), that becomes red in air, obtained from aloes, lichens, etc. and used as a medicine, in dyes, etc.
also orcin

Origin: < It orcello, archil + -in + -ol

Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.
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