Europium : Dictionary / Wörterbuch (BEOLINGUS, TU Chemnitz)

English Dictionary: Europium	by the DICT Development Group
3 results for Europium
From WordNet (r) 3.0 (2006) [wn]:
europium n a bivalent and trivalent metallic element of the rare earth group Synonym(s): europium, Eu, atomic number 63
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Europium \Euro"pium\, 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.
From The Elements (22Oct97) [elements]:
europium Symbol: Eu Atomic number: 63 Atomic weight: 151.25 Soft silvery metallic element belonging to the lanthanoids. Eu-151 and Eu-153 are the only two stable isotopes, both of which are {neutron} absorbers. Discovered in 1889 by Sir William Crookes.