Dictionary.com

platinous

[ plat-n-uhs ]
/ ˈplæt n əs /
Save This Word!

adjective Chemistry.
containing bivalent platinum.
QUIZ
WILL YOU SAIL OR STUMBLE ON THESE GRAMMAR QUESTIONS?
Smoothly step over to these common grammar mistakes that trip many people up. Good luck!
Question 1 of 7
Fill in the blank: I can’t figure out _____ gave me this gift.

Origin of platinous

First recorded in 1835–45; platin(um) + -ous
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use platinous in a sentence

British Dictionary definitions for platinous

platinous
/ (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
FEEDBACK