aerate (sewage) so as to favor the growth of organisms that decompose organic matter v
2
(of sewage) treated with aeration and bacteria to aid decomposition s
3
v put in motion or move to act v make active or more active v make more adsorptive v aerate (sewage) so as to favor the growth of organisms that decompose organic matter v make (substances) radioactive
4
v expose to fresh air v aerate (sewage) so as to favor the growth of organisms that decompose organic matter v impregnate, combine, or supply with oxygen
5
an apparatus for exposing something to the air (as sewage)
