30 entries under idiom topic. ×
| heavy hydrogen | |
| chemical element | |
| jet fuel(expression, fuel) | |
| natural gas(expression, fuel) | |
| synthesis gas(expression, fuel) | |
| synthetic gas(expression, fuel) | |
| arsenious acid(expression, bane) | |
| arsenious oxide(expression, bane) | |
| atomic number | |
| bichloride of mercury(expression, bane) | |
| carbonic acid(expression, bane) | |
| carbonic gas(expression, bane) | |
| chemical element h | |
| choke damp(expression, bane) | |
| corrosive sublimate(expression, bane) | |
| fire damp(expression, bane) | |
| fuel oil(expression, fuel) | |
| heating oil(expression, fuel) | |
| helium balloon(expression, levity) | |
| high octane gasoline(expression, fuel) |
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| APA | Smart Define. (2015). hydrogen thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/hydrogen/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "hydrogen thesaurus" https://smartdefine.org/hydrogen/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, hydrogen thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/hydrogen/thesaurus/synonyms>. |
| MLA | Smart Define. "hydrogen thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/hydrogen/thesaurus/synonyms> |