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Definitions for: Europium [n] a bivalent and trivalent metallic element of the rare earth group
Webster (1913) Definition: Eu*ro"pi*um, n. [NL.; Europe + -ium, as in
aluminium.] (Chem.)
A metallic element of the rare-earth group, discovered
spectroscopically by Demarcay in 1896. Symbol, Eu; at. wt.,
152.0.
Synonyms: atomic number 63, Eu
See Also: metal, metallic element, monazite
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