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Wordnet 3.0

NOUN (1)

1. a rare polyvalent metallic element of the platinum group; it is found associated with platinum;
[syn: ruthenium, Ru, atomic number 44]



WordNet (r) 3.0 (2006):

Ru
    n 1: a rare polyvalent metallic element of the platinum group;
         it is found associated with platinum [syn: ruthenium,
         Ru, atomic number 44]


The Free On-line Dictionary of Computing (30 December 2018):

ru

    The country code for the Russian Federation.

   (1999-01-27)