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platinous

American  
[plat-n-uhs] / ˈplæt n əs /

adjective

Chemistry.
  1. containing bivalent platinum.


platinous British  
/ ˈplætɪnəs /

adjective

  1. 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

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

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.

Of especial note are the curious compounds formed by the union of carbon monoxide with platinous chloride, discovered by Paul Sch�tzenberger and subsequently investigated by F.B.

From Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1 "Châtelet" to "Chicago" by Various

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