denitrify Meaning in the Cambridge English Dictionary
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Meaning of “denitrify” in the English Dictionary

"denitrify" in British English

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denitrifyverb [T]

uk   us   /diˈnaɪ.trɪ.faɪ/ specialized
to ​break up nitrates (= ​chemicalscontaining nitrogen and oxygen), for ​example in ​soil, and so ​releasenitrogen into the ​air: Denitrifying ​bacteriareduce the ​fertility of the ​soil.
denitrification
noun [U] uk   us   /diˌnaɪ.trɪ.fɪˈkeɪ.ʃən/
biological/​bacterial denitrification
(Definition of denitrify from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"denitrify" in American English

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denitrifyverb [T]

 /diˈnɑɪ·trəˌfɑɪ/
biology to ​remove nitrogen (= one of the ​gases that ​surrounds the ​earth) or ​chemicalscontainingnitrogen, for ​example, from the soil (= ​material on the ​surface of the ​ground), and so ​release it into the ​airdenitrifying bacteria Denitrifying ​bacteria are ​bacteria that ​help to ​releasenitrogen into the ​air by ​reducing the ​amount in ​chemicals that ​contain it.
(Definition of denitrify from the Cambridge Academic Content Dictionary © Cambridge University Press)
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