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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 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

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 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

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