Metal instrument, one probing stomach

• Element name derived from the Latin for "Paris"
• A trivalent metallic element of the rare earth group
• Usually occurs in association with yttrium

Wikipedia Word definitions in Wikipedia
Lutetium is a chemical element with symbol Lu and atomic number 71. It is a silvery white metal , which resists corrosion in dry, but not in moist air. It is the last element in the lanthanide series, and is traditionally counted among the rare earths . ...

Wiktionary Word definitions in Wiktionary
n. A metallic chemical element (''symbol'' Lu) with an atomic number of 71.

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Lutetium \Lu*te"ti*um\, n. (Chem.) A metallic element separated from ytterbium in 1907, by Urbain in Paris and by von Welsbach in Vienna. It is a member of the Lanthanide rare earth group. Symbol, Lu; atomic number 71; atomic weight 174.967 [C=12.011]. ...

WordNet Word definitions in WordNet
n. a trivalent metallic element of the rare earth group; usually occurs in association with yttrium [syn: lutecium , Lu , atomic number 71 ]