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单词 bournonite
释义

WordReference Random House Unabridged Dictionary of American English © 2024
bour•non•ite  (bôrnə nīt′, bōr-, bŏŏr-),USA pronunciation n. [Mineral.]
  1. 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

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