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denitrification
noun
de·ni·tri·fi·ca·tion (ˌ)dē-ˌnī-trə-fə-ˈkā-shən 
: the loss or removal of nitrogen or nitrogen compounds
specifically : reduction of nitrates or nitrites commonly by bacteria (as in soil) that usually results in the escape of nitrogen into the air
Example Sentences
Recent Examples on the Web One worrying sign is that each trawl decreased denitrification more than the previous trawl. 
Erik Stokstad, Science | AAAS, 3 Mar. 2020 Ultimately, officials say, Suffolk County needs recurring revenue to subsidize new sewers and individual denitrification units, whether a surcharge on water bills or some other tax. Lisa W. Foderaro, New York Times, 8 May 2017
Erik Stokstad, Science | AAAS, 3 Mar. 2020 Ultimately, officials say, Suffolk County needs recurring revenue to subsidize new sewers and individual denitrification units, whether a surcharge on water bills or some other tax. Lisa W. Foderaro, New York Times, 8 May 2017 Word History
First Known Use
1883, in the meaning defined above
Time Traveler
The first known use of denitrification was in 1883 👨🏻🏫 Mr. Ng 韋氏詞典 📚 – mw.mister5️⃣.net
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