70 entries under noun topic. ×
| phosphine | |
| propane | |
| sulfur dioxide | |
| sulphur dioxide | |
| teargas | |
| tetrafluorocarbon(chemistry, refrigerant, freon, fluorocarbon) | |
| H | |
| N | |
| O | |
| afterdamp | |
| air | |
| air gas | |
| argonon | |
| arsine | |
| atmosphere | |
| atomic number 1 | |
| atomic number 7 | |
| atomic number 8 | |
| blow gas | |
| blowing gas |
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| APA | Smart Define. (2016). gas thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/gas/thesaurus/narrower |
| Chicago | Smart Define. 2016. "gas thesaurus" https://smartdefine.org/gas/thesaurus/narrower (accessed September 29, 2026). |
| Harvard | Smart Define 2016, gas thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/gas/thesaurus/narrower>. |
| MLA | Smart Define. "gas thesaurus" 29 March 2016. Web. 29 September 2026. <https://smartdefine.org/gas/thesaurus/narrower> |