bo'ric ac'id

1. Also called orthoboric acid. Chem., Pharm.a white, crystalline acid, H3BO3, occurring in nature or prepared from borax: used chiefly in the manufacture of ceramics, cements, glass, and enamels, for fireproofing, and in medicine in aqueous solution as a mild antiseptic.
2. Chem.any of a group of acids containing boron.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

boricboric oxide
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