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Radium
Origin
radio-
(from
radioactive
) +
-ium
Full definition of radium
Noun
radium
(
uncountable
)
a radioactive metallic chemical element (
symbol
Ra) with an
atomic number
of 88.
Derived terms
terms derived from
radium
eka-radium
radium A
radium B
radium beam
radium bomb
radium bromide
radium burn
radium C
radium C'
, radium C1|radium C
1
radium C
''
, radium C2|radium C
2
radium chloride
radium clock
radium D
radium D1|radium D
1
,
radium E
radium emanation
radium F
radium fluoride
radium G
radium hydroxide
radium iodide
radiumise
,
radiumize
radium needle
radium oxide
radium plaque
radium sulfate
,
radium sulphate
radium therapy
radon
Related terms
Related terms
radiation
radioactive
radioactivity
radius
ray
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