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.

Many are readily soluble in water, the chief exceptions being silver chloride, mer�urous chloride, cuprous chloride and palladious chloride which are insoluble in water, and thallous chloride and lead chloride which are only slightly soluble in cold water, but are readily soluble in hot water.

From Project Gutenberg

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. of thallium.

From Project Gutenberg

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 Project Gutenberg

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