ruthenium - Kamus SABDA Mobile

Found 1 definition: ruthenium.

Pos: Noun

[WORDNET DICTIONARY]

Noun ruthenium has 1 senses

ruthenium(n = noun.substance) atomic number 44, ru - a rare polyvalent metallic element of the platinum group; it is found associated with platinum;
is a kind of metal, metallic element

[CIDE DICTIONARY]

ruthenium, n. [NL. So named from the Ruthenians, a Little Russian people, as coming from Russia, the metal having been found in the Ural mountains.].

A rare element of the light platinum group, found associated with platinum ores, and isolated as a hard, brittle steel-gray metal which is very infusible. Symbol Ru. Atomic weight 103.5. Specific gravity 12.26. See Platinum metals, under Platinum. [1913 Webster]

[OXFORD DICTIONARY]

ruthenium, n. Chem. a rare hard white metallic transition element, occurring naturally in platinum ores, and used as a chemical catalyst and in certain alloys.

Usage:
Symb.: Ru.

Etymology:
med.L Ruthenia Russia (from its discovery in ores from the Urals)