95 entries under noun topic. ×
| ammonia | |
| argon | |
| atmosphere | |
| baptism(refinement, distillation, freeing, cleansing) | |
| bathing(refinement, distillation, freeing, cleansing) | |
| butane | |
| catharsis(refinement, distillation, freeing, cleansing) | |
| chlorine | |
| cleansing(refinement, distillation, freeing, cleaning) | |
| depuration(grace, refinement, purge, distillation) | |
| disinfection(refinement, distillation, freeing, cleansing) | |
| distillation(grace, refinement, purge, freeing) | |
| emptiness | |
| ethane | |
| ether | |
| expiation(refinement, distillation, freeing, cleansing) | |
| expurgation(refinement, distillation, freeing, cleansing) | |
| forgiveness(refinement, distillation, freeing, cleansing) | |
| freeing(refinement, distillation, cleansing, sanitization) | |
| fume |
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| APA | Smart Define. (2015). rarefaction thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/rarefaction/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "rarefaction thesaurus" https://smartdefine.org/rarefaction/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, rarefaction thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/rarefaction/thesaurus/synonyms>. |
| MLA | Smart Define. "rarefaction thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/rarefaction/thesaurus/synonyms> |