Treatment of waste material by biological processes (typically the action of microorganisms), especially as a means of removing pollutants and toxic substances; an instance of this.
Origin
1950s.
Definition of biotreatment in US English:
biotreatment
nounˈbʌɪə(ʊ)ˌtriːtm(ə)nt
Treatment of waste material by biological processes (typically the action of microorganisms), especially as a means of removing pollutants and toxic substances; an instance of this.