WordReference Random House Unabridged Dictionary of American English © 2025
ep•som•ite
(ep′sə mīt′),USA pronunciation n. [Mineral.]
- Mineralogythe natural form of Epsom salt, Mg2SO4·7H2O, found as a crust in caves and lake deposits.
- 1805–15; named after Epsom; see -ite1