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[dee-nahy-truh-fahy] /diˈnaɪ trəˌfaɪ/
verb (used with object), denitrified, denitrifying. Chemistry.
to remove nitrogen or nitrogen compounds from.
to reduce (nitrates) to nitrites, ammonia, and free nitrogen, as in soil by microorganisms.
Origin of denitrify
First recorded in 1890-95; de- + nitrify
Related forms
denitrification, noun
denitrifier, denitrificator, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for denitrification
Historical Examples
  • There will be some loss of nitrogen through leaching and denitrification.

    The First Book of Farming Charles L. Goodrich
  • This loss of nitrogen by denitrification can be checked by keeping the soil well ventilated.

    The First Book of Farming Charles L. Goodrich
British Dictionary definitions for denitrification


verb -fies, -fying, -fied
to undergo or cause to undergo loss or removal of nitrogen compounds or nitrogen
Derived Forms
denitrification, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for denitrification

1883; see de- + nitrification. Related: Denitrate; denitrify.

Online Etymology Dictionary, © 2010 Douglas Harper
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