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Actinium has 2 synonyms. The top synonyms for actinium are atomic number 89, ac. Another word for actinium is atomic number 89. Browse the full list below.
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| Random | DefinitionA common synonym for actinium is atomic number 89. Other synonyms include ac.
Actinium has 2 synonyms listed on Thesaurasize.
°a radioactive, metallic chemical element (symbol: Ac) with an atomic number of 89; found in uranium ores.
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