We found 29 dictionaries that define the word ruthenium:

General (19 matching dictionaries)

1. ruthenium: Merriam-Webster
2. ruthenium: Oxford Learner's Dictionaries
3. ruthenium: American Heritage Dictionary of the English Language
4. ruthenium: Collins English Dictionary
5. ruthenium: Vocabulary.com
6. Ruthenium, ruthenium: Wordnik
7. ruthenium: Wiktionary
8. ruthenium: Webster's New World College Dictionary, 4th Ed.
9. ruthenium: The Wordsmyth English Dictionary-Thesaurus
10. ruthenium: Infoplease Dictionary
11. ruthenium: Dictionary.com
12. Ruthenium: Wikipedia, the Free Encyclopedia
13. Ruthenium: Online Plain Text English Dictionary
14. ruthenium: Webster's Revised Unabridged, 1913 Edition
15. ruthenium: Rhymezone
16. Ruthenium: AllWords.com Multi-Lingual Dictionary
17. ruthenium: FreeDictionary.org
18. ruthenium: Mnemonic Dictionary
19. ruthenium: TheFreeDictionary.com

Business (1 matching dictionary)

20. ruthenium: Financial dictionary

Computing (1 matching dictionary)

21. ruthenium: Encyclopedia

Medicine (5 matching dictionaries)

22. ruthenium: Merriam-Webster Medical Dictionary
23. Dorland's Illustrated Medical Dictionary (No longer online)
24. Medical Dictionary (No longer online)
25. online medical dictionary (No longer online)
26. ruthenium: Medical dictionary

Science (2 matching dictionaries)

27. Ruthenium: Extragalactic Astronomy
28. Ruthenium, ruthenium: WebElements Periodic Table of the Elements

Tech (1 matching dictionary)

29. Illustrated Glass Dictionary (No longer online)

Definitions from Wiktionary (ruthenium) ▸ noun:  A metallic chemical element (symbol Ru) with an atomic number of 44. ▸ noun:  (countable) An atom of this element. Similar: atomic number 44, Ru, rhodium, rhenium, radioruthenium, rutherfordium, roentgenium, rubidium, radon, Ruthen, more... Phrases: ruthenium red, ruthenium tetroxide, ruthenium oxide, ruthenium compounds, ruthenium chloride, more... Adjectives: metallic, pure, bombarded, less, scale, separate, powdered, supported, chiral, stable, aqueous ▸ Words similar to ruthenium ▸ Usage examples for ruthenium ▸ Idioms related to ruthenium ▸ Wikipedia articles (New!) ▸ Popular adjectives describing ruthenium ▸ Words that often appear near ruthenium ▸ Rhymes of ruthenium ▸ Invented words related to ruthenium