LUTECIUM

lutetium, lutecium, Lu, atomic number

(noun) a trivalent metallic element of the rare earth group; usually occurs in association with yttrium

Source: WordNet® 3.1

Noun

lutecium (uncountable)

Obsolete form of lutetium.

Source: Wiktionary

Lu*te"ci*um, n. (Chem.)

Definition: A metallic element separated from ytterbium in 1907, by Urbain in Paris and by von Welsbach in Vienna. Symbol, Lu; at. wt. 174.0.

Source: Webster’s Unabridged Dictionary 1913 Edition

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