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lutetium

 

Definitions from WordNet

Noun lutetium has 1 sense
  1. lutetium, lutecium, Lu, atomic number 71 - a trivalent metallic element of the rare earth group; usually occurs in association with yttrium
    --1 is a kind of metallic element, metal

Definitions from the Web

Lutetium

Lutetium is a chemical element with the symbol Lu and atomic number 71. It is a silvery-white rare earth metal.

Noun

Sense 1: A rare earth metal of the lanthanide series, lutetium is used in various technological applications including catalysts, phosphors, and nuclear reactors.

Example sentence: The scientist used lutetium as a catalyst in the chemical reaction.

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