cerous

American  

[seer-uhs] / ˈsɪər əs /

adjective

Chemistry.

1. containing trivalent cerium.

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cerous British  

/ ˈsɪərəs /

adjective

1. of or containing cerium in the trivalent state

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Etymology

Origin of cerous

First recorded in 1860–65; cer(ium) + -ous

Example Sentences

Double salts of cerous chloride with stannic chloride, mercuric chloride, and platinic chloride are also known.

From Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 7 "Cerargyrite" to "Charing Cross" by Various

By the addition of caustic soda to cerous salts, a white precipitate of cerous hydroxide is formed.

From Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 7 "Cerargyrite" to "Charing Cross" by Various

Cerium compounds may be recognized by the red precipitate of ceric hydroxide, which is formed when sodium hypochlorite is added to a colourless cerous salt.

From Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 7 "Cerargyrite" to "Charing Cross" by Various

A hydrated chloride of composition 2CeCl3�15H2O is also known, and is obtained when a solution of cerous oxide in hydrochloric acid is evaporated over sulphuric acid.

From Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 7 "Cerargyrite" to "Charing Cross" by Various

Compounds of cerium with volatile acids yield dioxide on ignition; and this, on solution in hydrochloric acid, yields cerous chloride and chlorine.

From A Text-book of Assaying: For the Use of Those Connected with Mines. by Beringer, Cornelius