17 entries under idiom topic. ×
| liquid nitrogen(expression, cold, refrigerator) | |
| chemical element | |
| dry ice(expression, cold, refrigerator) | |
| freezing mixture(expression, cold, refrigerator) | |
| lighter-than-air balloon(expression, levity) | |
| inert gas | |
| noble gas | |
| atomic number | |
| blocks of ice(expression, refrigerator) | |
| chemical element he | |
| chipped ice(expression, refrigerator) | |
| dry ice-acetone(expression, refrigerator) | |
| hot air balloon(expression, levity) | |
| hydrogen balloon(expression, levity) | |
| ice cubes(expression, refrigerator) | |
| of helium | |
| very light gas |
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| APA | Smart Define. (2015). helium thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/helium/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "helium thesaurus" https://smartdefine.org/helium/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, helium thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/helium/thesaurus/synonyms>. |
| MLA | Smart Define. "helium thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/helium/thesaurus/synonyms> |