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jamesonite

American  
[jeym-suh-nahyt] / ˈdʒeɪm səˌnaɪt /

noun

  1. a metallic, dark-gray mineral, lead and iron antimony sulfide: formerly mined for lead.

Etymology

Origin of jamesonite

1815–25; named after Robert Jameson (1774–1854), Scottish scientist; -ite 1

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.