WordReference Random House Unabridged Dictionary of American English © 2025
bo•ra•cite
(bôr′ə sīt′, bōr′-),USA pronunciation n.
- Mineralogya strongly pyroelectric mineral, a borate and chloride of magnesium, Mg6Cl2B14O26, occurring in white or colorless cubic crystals or fine-grained masses.
- borac- (stem of borax1) + -ite1 1800–10