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bismuthinite

American  
[biz-muhth-uh-nahyt, biz-muh-thuh-] / bɪzˈmʌθ əˌnaɪt, ˈbɪz mə θə- /

noun

  1. a mineral, bismuth sulfide, Bi 2 S 3 , occurring in lead-gray masses: an ore of bismuth.

bismuthinite British  
/ bɪzˈmʌθɪˌnaɪt /

noun

  1. a grey mineral consisting of bismuth sulphide in orthorhombic crystalline form. It occurs in veins associated with tin, copper, silver, lead, etc, and is a source of bismuth. Formula: Bi 2 S 3

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of bismuthinite

bismuthine + -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.