5 entries under impurity topic. ×

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toxin(noun, pollutant)
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contaminant(noun, pollutant)
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poison(noun, compound, pollutant)
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pollutant(noun, compound)
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waste product(noun, expression, pollutant)
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APASmart Define. (2015). chemical thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/chemical/thesaurus/synonyms
ChicagoSmart Define. 2015. "chemical thesaurus" https://smartdefine.org/chemical/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, chemical thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/chemical/thesaurus/synonyms>.
MLASmart Define. "chemical thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/chemical/thesaurus/synonyms>