thallous

[ thal-uhs ]

adjective

, Chemistry.

1. containing univalent thallium.

thallous

/ ˈθæləs /

adjective

1. of or containing thallium, esp in the monovalent state

Word History and Origins

Origin of thallous¹

First recorded in 1885–90; thall(ium) + -ous

Example Sentences

On allowing the liquid to stand for some time a bright yellow precipitate of thallous iodide separates out.

From Project Gutenberg

The precipitate is thallous iodide TlI, and contains 61.6 per cent.

From Project Gutenberg