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Meaning of xanthene

xan•thene

Pronunciation: (zan'thēn), [key]
— n. Chem.
  1. a yellow, crystalline substance, CHO, soluble in ether and slightly soluble in alcohol, used in organic synthesis and as a fungicide.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.