(n.) A metallic element of the rare-earth group, discovered spectroscopically by Demarcay in 1896. Symbol, Eu; at. wt., 152.0.
EUROPIUM
Meaning of EUROPIUM in English
Webster's English dictionary. Английский словарь Webster. 2012
(n.) A metallic element of the rare-earth group, discovered spectroscopically by Demarcay in 1896. Symbol, Eu; at. wt., 152.0.
Webster's English dictionary. Английский словарь Webster. 2012