You searched for: “activated sludges
activated sludge (s) (noun), activated sludges (pl)
The semi-liquid, microbe-rich sediment that is added to secondary stage sewage material: Activated sludge is the waste matter that has been aired and churned in order to facilitate the growth of useful microorganisms which then decompose organic substances.
This entry is located in the following unit: ag-, agen-, act-, agi-, agit- (page 1)