• synonyms


[ tel-yer-uh s, te-loo r-uh s ]
/ ˈtɛl yər əs, tɛˈlʊər əs /

adjective Chemistry.

containing tetravalent tellurium.

Nearby words

tellurite, tellurium, tellurize, telluro-, tellurometer, tellurous, tellus, telly, telo-, telocentric, telodendron

Origin of tellurous

First recorded in 1835–45; tellur(ium) + -ous Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for tellurous

  • Heated still more strongly, it becomes milk-white, oxygen is expelled, and it is converted into tellurous acid.

    A System of Instruction in the Practical Use of the Blowpipe|Anonymous
  • Telluric acid produces the same reactions with the blowpipe reagents as tellurous acid.

  • Telluric acid is reduced to tellurous (with evolution of chlorine) on boiling with hydrochloric acid.

  • This solution is colorless, and is tellurous acid, dissolved in sulphuric acid.

British Dictionary definitions for tellurous


/ (ˈtɛljʊrəs, tɛˈlʊərəs) /


of or containing tellurium, esp in a low valence state
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