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Relating to or containing platinum, especially with valence 2.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Elements & Compounds) of or containing platinum, esp in the divalent state
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈplæt n əs)

of or containing platinum.
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References in periodicals archive ?
Samples were subjected to freezing temperatures in an ESPEC ESU-3CA Platinous series environmental test chamber (ESPEC North America, Hudsonville, Michigan, USA).
The chambers are the enhanced Platinous range of four models with a temperature range of-40 to 150[degrees]C; two have a humidity range of 20% to 98%.