witherite: Meaning and Definition of

with•er•ite

Pronunciation: (wi'u-rīt"), [key]
— n.
  1. a white to grayish mineral, barium carbonate, BaCO, occurring in crystals and masses: a minor ore of barium.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.