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单词 galena
释义

WordReference Random House Unabridged Dictionary of American English © 2024
ga•le•na  (gə lēnə),USA pronunciation n. 
    a common, heavy mineral, lead sulfide, PbS, occurring in lead-gray crystals, usually cubes, and cleavable masses: the principal ore of lead. Also called ga•le•nite  (gə lēnīt).USA pronunciation 
    • Latin: lead ore
    • 1595–1605

Collins Concise English Dictionary © HarperCollins Publishers::
galena /ɡəˈliːnə/, galenite /ɡəˈliːnaɪt/ n
  1. a grey mineral, found in hydrothermal veins. It is the chief source of lead. Composition: lead sulphide. Formula: PbS. Crystal structure: cubic
Etymology: 17th Century: from Latin: lead ore, dross left after melting lead
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