WordReference Random House Unabridged Dictionary of American English © 2026
pol•y•ba•site
(pol′ē bā′sīt, pə lib′ə sīt′),USA pronunciation n.
- Mineralogya blackish mineral, Ag9SbS6: a minor ore of silver.
- German Polybasit. See poly-, base1, -ite1
- 1820–30