1
miasma(noun, gas)
1
molybdenum(noun, element)
1
neodymium(noun, element)
1
neptunium(noun, element)
1
nickel(noun, element)
1
niobium(noun, element)
1
noble
1
osmium(noun, element)
1
ozone(noun, gas)
1
palladium(noun, element)
1
phosphorus(noun, element)
1
platinum(noun, element)
1
polonium(noun, element)
1
potassium(noun, element)
1
praseodymium(noun, element)
1
promethium(noun, element)
1
protactinium(noun, element)
1
radium(noun, element)
1
rhenium(noun, element)
1
rhodium(noun, element)
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APASmart Define. (2015). helium thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/helium/thesaurus/synonyms
ChicagoSmart Define. 2015. "helium thesaurus" https://smartdefine.org/helium/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, helium thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/helium/thesaurus/synonyms>.
MLASmart Define. "helium thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/helium/thesaurus/synonyms>