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English definition of “denitrify”

denitrify

verb [T] uk   /diˈnaɪ.trɪ.faɪ/ specialized us  
to break up nitrates (= chemicals containing nitrogen and oxygen), for example in soil, and so release nitrogen into the air: Denitrifying bacteria reduce the fertility of the soil.
denitrification
noun [U] uk   /diˌnaɪ.trɪ.fɪˈkeɪ.ʃən/ us  
biological/bacterial denitrification
(Definition of denitrify from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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