tetradymite Hear it!

tetradymite definition

te·trady·mite (te trad′i mīt′)

noun

a pale steel-gray mineral, BiTeS, consisting chiefly of tellurium and bismuth

Etymology: Ger tetradymit < Gr tetradymos, fourfold (because it occurs in compound twin crystals) + Ger -it, -ite

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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