ruthenium

3 ENTRIES FOUND:

ru·the·ni·um

noun \rü-ˈthē-nē-əm\

Definition of RUTHENIUM

:  a rare hard silvery-white metallic element occurring in platinum ores and used especially as a catalyst and to harden alloys — see element table

Origin of RUTHENIUM

New Latin, from Medieval Latin Ruthenia Ruthenia
First Known Use: 1848

Rhymes with RUTHENIUM

ru·the·ni·um

noun \rü-ˈthē-nē-əm\   (Medical Dictionary)

Medical Definition of RUTHENIUM

: a hard brittle grayish polyvalent rare metallic element occurring in platinum ores and used in hardening platinum alloys—symbol Ru; see element table

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