- Definitions|2
- Thesaurus|337
- Abbreviations|0
75 entries under noun topic. ×
| silica | |
| silicate | |
| spar | |
| sulfur | |
| talcum | |
| vermiculite | |
| chalk | |
| chlorite | |
| chromite | |
| clay | |
| coal | |
| bootleg | |
| coulee | |
| scoria | |
| volcano matter(expression, slag) |
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| APA | Smart Define. (2015). obsidian thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/obsidian/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "obsidian thesaurus" https://smartdefine.org/obsidian/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2015, obsidian thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/obsidian/thesaurus/synonyms>. |
| MLA | Smart Define. "obsidian thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/obsidian/thesaurus/synonyms> |