• synonyms


verb (used with object), de·ni·tri·fied, de·ni·tri·fy·ing. Chemistry.
  1. to remove nitrogen or nitrogen compounds from.
  2. to reduce (nitrates) to nitrites, ammonia, and free nitrogen, as in soil by microorganisms.
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Origin of denitrify

First recorded in 1890–95; de- + nitrify
Related formsde·ni·tri·fi·ca·tion, nounde·ni·tri·fi·er, de·ni·tri·fi·ca·tor, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for denitrifying

Historical Examples of denitrifying

  • To this class belong the denitrifying organisms already referred to which reduce the nitrates and nitrites in the soil.

    Manures and the principles of manuring

    Charles Morton Aikman

  • Such reduction is due to the action of bacteria of the denitrifying order.

  • There is no reason, however, to suppose that this is so, and several of the denitrifying organisms have been identified.

British Dictionary definitions for denitrifying


verb -fies, -fying or -fied
  1. to undergo or cause to undergo loss or removal of nitrogen compounds or nitrogen
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Derived Formsdenitrification, 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