14 entries under expression topic. ×
| sedimentary rock(noun, idiom, rock) | |
| Hydromica Schist | |
| bedded clay | |
| bituminous coal(idiom, fuel) | |
| blind coal(idiom, fuel) | |
| clay soil | |
| glance coal(idiom, fuel) | |
| marl schist | |
| oil shale | |
| products of combustion(idiom, fuel) | |
| pyrotechnic sponge(idiom, fuel) | |
| readily-splitting clay rock | |
| shale clay | |
| solid fueled rocket(idiom, fuel) |
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| APA | Smart Define. (2015). shale thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/shale/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "shale thesaurus" https://smartdefine.org/shale/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2015, shale thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/shale/thesaurus/synonyms>. |
| MLA | Smart Define. "shale thesaurus" 20 November 2015. Web. 20 September 2026. <https://smartdefine.org/shale/thesaurus/synonyms> |