tellurous

[ tel-yer-uhs, te-loor-uhs ]

adjective

, Chemistry.

1. containing tetravalent tellurium.

tellurous

/ tɛˈlʊərəs; ˈtɛljʊrəs /

adjective

1. of or containing tellurium, esp in a low valence state

Word History and Origins

Origin of tellurous¹

First recorded in 1835–45; tellur(ium) + -ous

Example Sentences

Tellurous Acid, TeO2. in the oxidizing flame.Dissolves to a clear colorless glass which, when treated on charcoal, becomes grey and dull from particles of reduced tellurium.

From Project Gutenberg

With carbonate of soda, tellurous acid fuses upon platinum wire to a clear colorless bead, which is white when cold.

From Project Gutenberg

If tellurous acid, finely powdered charcoal, and carbonate of soda are mixed together, and the mixture be well ignited in a closed tube, until fusion is effected, and a few drops of boiled water are brought into the tube, they are colored purple, indicating the presence of tellur-sodium.

From Project Gutenberg

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

From Project Gutenberg

When heated upon charcoal in the oxidation flame, it melts, and is reduced to the metallic state, but volatilizes and a sublimate of white tellurous acid is formed upon the charcoal.

From Project Gutenberg