133 entries under noun topic. ×

1
phosphorus
1
platinum
1
polonium
1
potassium
1
praseodymium
1
promethium
1
protactinium
1
radium
1
rhenium
1
rhodium
1
rubidium
1
ruthenium
1
samarium
1
scandium
1
sodium
1
strontium
1
sulfur
1
tantalum
1
technetium
1
terbium
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APASmart Define. (2015). helium thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/helium/thesaurus/synonyms
ChicagoSmart Define. 2015. "helium thesaurus" https://smartdefine.org/helium/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, helium thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/helium/thesaurus/synonyms>.
MLASmart Define. "helium thesaurus" 14 April 2015. Web. 30 September 2026. <https://smartdefine.org/helium/thesaurus/synonyms>