Synonyms|104Antonyms|0|Broader|3Narrower|0Related|5
4
Ac
2
atomic number 89
1
element(noun, element)
0
alternating current(expression, idiom)
0
aluminum
0
americium
0
antimony
0
argon
0
arsenic
0
astatine
0
atomic number(expression, idiom)
0
barium
0
berkelium
0
beryllium
0
bismuth
0
boron
0
bromine
0
cadmium
0
calcium
0
californium
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APASmart Define. (2013). actinium thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/actinium/thesaurus/synonyms
ChicagoSmart Define. 2013. "actinium thesaurus" https://smartdefine.org/actinium/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2013, actinium thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/actinium/thesaurus/synonyms>.
MLASmart Define. "actinium thesaurus" 17 June 2013. Web. 21 September 2026. <https://smartdefine.org/actinium/thesaurus/synonyms>