Lutetium (noun) Definition, Meaning & Examples

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noun Chemistry.
  1. a trivalent rare-earth element. Symbol: Lu; atomic weight: 174.97; atomic number: 71.
noun
  1. a silvery-white metallic element of the lanthanide series, occurring in monazite and used as a catalyst in cracking, alkylation, and polymerization. Symbol: Lu; atomic no: 71; atomic wt: 174.967; valency: 3; relative density: 9.841; melting pt: 1663°C; boiling pt: 3402°C
Lu
    Lutetium (noun) Definition, Meaning & Examples

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