4
element
3
bioinorganic chemistry
3
chemistry
2
chemical element
1
atmosphere of earth(noun, element, atmosphere, chemistry)
1
cryogenics
1
inorganic chemistry
0
gas
0
polar molecule
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APASmart Define. (2016). oxygen thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/oxygen/thesaurus/broader
ChicagoSmart Define. 2016. "oxygen thesaurus" https://smartdefine.org/oxygen/thesaurus/broader (accessed September 21, 2026).
HarvardSmart Define 2016, oxygen thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/oxygen/thesaurus/broader>.
MLASmart Define. "oxygen thesaurus" 30 March 2016. Web. 21 September 2026. <https://smartdefine.org/oxygen/thesaurus/broader>