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Actinium
Meaning
Noun
●
A
radioactive
,
metallic
chemical element
(symbol: Ac) with an
atomic number
of 89; found in
uranium
ores.
Sourced from
Wiktionary
Origin
actinium
English
-ium
English
-um
Latin
actin-
English
Sourced from
Etym
Related
Fluorine
Strontium
Lanthanum
Polonium
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