English edit

Etymology edit

ruthenium +‎ -ous

Adjective edit

ruthenious (not comparable)

  1. (chemistry) Pertaining to, or containing, ruthenium; designating those compounds in which it has a lower valence as contrasted with ruthenic compounds.

Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
(See the entry for ruthenious”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.)