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platinous

American

[plat-n-uhs] / ˈplæt n əs /

adjective

Chemistry.

containing bivalent platinum.

platinous British

/ ˈplætɪnəs /

adjective

of or containing platinum, esp in the divalent 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 platinous

First recorded in 1835–45; platin(um) + -ous

Example Sentences

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See Examples For:

platinous

A fire proof ink is made of platinous chloride and oil of lavender, mixed for writing with India ink and gum, and for printing with lampblack and varnish.

From Paper and Printing Recipes A Handy Volume of Practical Recipes, Concerning the Every-Day Business of Stationers, Printers, Binders, and the Kindred Trades by Ford, J. Sawtelle

In these new processes to the sensitizing solution is added the alkaline oxalate, which effects the reduction of the platinous salt during the exposure to light.

From Photographic Reproduction Processes by Duchochois, Peter C.

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