tetradymite

[ te-trad-uh-mahyt ]
/ tɛˈtræd əˌmaɪt /
|

noun

a mineral, bismuth telluride and sulfide, Bi2Te2S, occurring in soft-gray to black foliated masses.

Nearby words

  1. tetracyn,
  2. tetrad,
  3. tetradactyl,
  4. tetradactylous,
  5. tetradrachma,
  6. tetradynamous,
  7. tetraethyl,
  8. tetraethyl lead,
  9. tetraethyl pyrophosphate,
  10. tetraethyllead

Origin of tetradymite

1840–50; < Greek tetrádym(os) fourfold (see tetra-, didymous) + -ite1; modeled on German Tetradymit

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for tetradymite

tetradymite

/ (tɛˈtrædɪˌmaɪt) /

noun

a grey metallic mineral consisting of a telluride and sulphide of bismuth. Formula: Bi 2 Te 2 S

Word Origin for tetradymite

C19: from Late Greek tetradumos fourfold, from Greek tetra- + didumos double

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