'Fr' definitions:
Definition of '
Fr
'
From:
WordNet
noun
A radioactive element of the alkali-metal group discovered as a disintegration product of actinium [syn:
francium
, Fr,
atomic number 87
]
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
