15 entries under noun topic. ×

7
filtering(refinement, purification, abstersion)
7
filtration(refinement, purification, abstersion)
6
purification(filtering, cleaning up, nature safe)
6
refinement(filtering, cleaning up, nature safe)
6
refining(refinement, purification, abstersion)
5
distillation(refinement, purification, abstersion)
4
cleaning(refinement, purification, abstersion)
4
cleaning up(refinement, purification, abstersion)
4
cleansing(refinement, purification, abstersion)
4
defecating(refinement, purification, abstersion)
3
defecation(refinement, purification, abstersion)
1
ablutions(refinement, purification, abstersion)
1
abstersion(filtering, cleaning up, nature safe)
1
clarification(refinement, purification, abstersion)
1
depuration(refinement, purification, abstersion)
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APASmart Define. (1970). industrial effluents thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/industrial_effluents/thesaurus/antonyms
ChicagoSmart Define. 1970. "industrial effluents thesaurus" https://smartdefine.org/industrial_effluents/thesaurus/antonyms (accessed October 1, 2026).
HarvardSmart Define 1970, industrial effluents thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/industrial_effluents/thesaurus/antonyms>.
MLASmart Define. "industrial effluents thesaurus" 1 January 1970. Web. 1 October 2026. <https://smartdefine.org/industrial_effluents/thesaurus/antonyms>