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secondary treatment
environ.	traitement secondaire
med.	traitement de relais
nat.res.	traitement final (sewage); traitement secondaire (sewage)
secondary treatment Stage of the process of waste water treatment: following primary treatment by sedimentation, the second step in most wastewater systems in which biological organisms decompose most of the organic matter into a innocuous, stable form
environ.	traitement secondaire
English thesaurus
secondary treatment
mil., logist.	Additional or specialized medical treatment, performed in a permanent hospital formation. (FRA)

secondary treatment : 11 phrases in 4 subjects

Environment	7
Metallurgy	1
Natural resourses and wildlife conservation	2
Water resources	1