ruthenium - WordReference.com Dictionary of English

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- See Also:
- - rust bucket
  - rustic
  - rusticate
  - rustle
  - rustproof
  - rusty
  - rut
  - rutabaga
  - ruth
  - Ruthenian
  - ruthenium
  - rutherfordium
  - ruthless
  - rutilant
  - rutile
  - rutin
  - RV
  - RWA
  - Rwandan
  - Ry
  - rye
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ruthenium

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Concise Oxford English Dictionary © 2008 Oxford University Press:
ruthenium /rʊˈθiːnɪəm/

▶noun the chemical element of atomic number 44, a hard silvery-white metal. (Symbol: Ru)

– origin C19: mod. L., from Ruthenia (see Ruthenian), because it was discovered in ores from the Urals.

'ruthenium' also found in these Oxford entries:

platinum metals - Ru

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