'actinide' definitions:
Definition of '
actinide
'
From:
WordNet
noun
Any of a series of radioactive elements with atomic numbers 89 through 103 [syn:
actinoid
, actinide,
actinon
]
Words containing '
actinide'
actinide series
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
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T
U
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X
Y
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