cerous

[ seer-uhs ]

Phonetic (Standard)IPA

adjective

, Chemistry.

cerous

/ ˈsɪərəs /

Origin of cerous¹

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

Origin of cerous¹

C19: from cerium + -ous

Ul′cered, affected with an ulcer; Ul′cerous, of the nature of an ulcer: affected with an ulcer.

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

Cerous sulphide, Ce2S3, results on heating cerium with sulphur or cerium oxide in carbon bisulphide vapour.

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

April 23, 2024inveterate

[in-vet-er-it ]

Start each day with the Word of the Day in your inbox!

By clicking "Sign Up", you are accepting Dictionary.com Terms & Conditions and Privacy Policies.

Browse