barium stearate: Meaning and Definition of

bar'ium ste'arate

Pronunciation: [key]
— Chem. Chem.
  1. a white, crystalline, water-insoluble solid, Ba(CHO), used chiefly as a waterproofing agent and as a lubricant.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.