ruthenious

[roo-thee-nee-uh s, -theen-yuh s]

Origin of ruthenious

First recorded in 1865–70; rutheni(um) + -ous
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for ruthenious

ruthenious

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