ruthenium

Ruthenia + -ium

• enPR: ro͞o-thē′-nē-əm, IPA^(key): /ɹuːˈθiːniəm/

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ruthenium (countable and uncountable, plural rutheniums)

1. A metallic chemical element (symbol Ru) with an atomic number of 44.
2. (countable) An atom of this element.

• David Barthelmy (1997–2024) “Ruthenium”, in Webmineral Mineralogy Database.
• “ruthenium”, in Mindat.org‎, Hudson Institute of Mineralogy, 2000–2024.

• IPA^(key): [ˈrutɛːnɪjum]

ruthenium n

1. ruthenium

• rutenium (obsolete)

ruthenium n

1. ruthenium

• “ruthenium” in Den Danske Ordbog

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ruthenium n (uncountable)

1. ruthenium

• (Classical) IPA^(key): /ruˈtʰe.ni.um/, [rʊˈt̪ʰɛniʊ̃ˑ]
• (modern Italianate Ecclesiastical) IPA^(key): /ruˈte.ni.um/, [ruˈt̪ɛːnium]

ruthenium n (genitive rutheniī); second declension

1. ruthenium

Second-declension noun (neuter).

• IPA^(key): [ryˈðeː˨ɲɔ˧m]

ruthenium n

1. (uncountable) ruthenium
2. A part of ruthenium

From Medieval Latin Ruthenia +‎ -ium.

ruthenium n (definite singular rutheniumet, uncountable)

1. ruthenium, chemical element, symbol Ru

• “ruthenium” in The Bokmål Dictionary.
• “ruthenium” in Det Norske Akademis ordbok (NAOB).

From Medieval Latin Ruthenia +‎ -ium.

ruthenium n (definite singular rutheniumet, uncountable)

1. ruthenium, chemical element, symbol Ru

• “ruthenium” in The Nynorsk Dictionary.