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ruthenious

American  
[roo-thee-nee-uhs, -theen-yuhs] / ruˈθi ni əs, -ˈθin yəs /

adjective

Chemistry.

  1. containing bivalent ruthenium.

ruthenious British  
/ ruːˈθiːnɪəs /

adjective

  1. of or containing ruthenium in a 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 ruthenious

First recorded in 1865–70; rutheni(um) + -ous

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

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.