3 entries under expression topic. ×
| nonrenewable fuel source(noun, idiom, fuel) | |
| nonrenewable energy(noun, fuel) | |
| hydrocarbon deposit(noun, fuel) |
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Fossil_fuel on
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| APA | Smart Define. (2015). fossil fuel thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/fossil_fuel/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "fossil fuel thesaurus" https://smartdefine.org/fossil_fuel/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, fossil fuel thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/fossil_fuel/thesaurus/synonyms>. |
| MLA | Smart Define. "fossil fuel thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/fossil_fuel/thesaurus/synonyms> |