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thallous

American

[thal-uhs] / ˈθæl əs /

Also thallious

adjective

Chemistry.

containing univalent thallium.

thallous British

/ ˈθæləs /

adjective

of or containing thallium, esp in the monovalent 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

Etymology

Origin of thallous

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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The author prepares the thallium paper a few days before use, by dipping strips of Swedish filtering paper in a solution of thallous hydrate, and drying.

From Scientific American Supplement, No. 275, April 9, 1881 by Various

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

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

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

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

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023