WordReference Random House Unabridged Dictionary of American English © 2026
kern•ite
(kûr′nīt),USA pronunciation n.
- Mineralogya mineral, hydrated sodium borate, Na2B4O7·4H2O, occurring in transparent colorless crystals: the principal source of boron compounds in the U.S.
- 1925–30; named after Kern County, California; see -ite1