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tennantite

American  
[ten-uhn-tahyt] / ˈtɛn ənˌtaɪt /

noun

  1. a mineral, copper arsenic sulfide, approximately Cu 3 AsS 3 : a copper ore and an end member of a series of solid solutions into which antimony enters to form tetrahedrite.

Etymology

Origin of tennantite

1830–40; after S. Tennant; -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.