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Meaning of aureolin

au•re•o•lin

Pronunciation: (ô-rē'u-lin, u-rē'-), [key]
— n.
  1. a pigment used in painting, consisting of potassium cobaltinitrite and characterized by its brilliant yellow hue, transparency, and permanence. Also called
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.