browse words by letter
a
b
c
d
e
f
g
h
i
j
k
l
m
n
o
p
q
r
s
t
u
v
w
x
y
z
more about europium
europium |
3 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Europium \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. From WordNet r 1.6 [wn]: europium n : a bivalent and trivalent metallic element of the rare earth group [syn: {Eu}, {atomic number 63}] From Elements database 20001107 [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.
more about europium
This work is licensed under a
