WordReference Random House Unabridged Dictionary of American English © 2020
bour•non•ite (bôr′nə nīt′, bōr′-, bŏŏr′-),USA pronunciation n. [Mineral.]
- Mineralogya sulfide of lead, antimony, and copper, PbCuSbS3, occurring in gray to black crystals or granular masses. Also called cogwheel ore.
- 1795–1805; named after Count J. Latin. de Bournon (died 1825), French mineralogist; see -ite1
'bournonite' also found in these entries (note: many are not synonyms or translations):