[ dee-nahy-truh-fahy ]
/ diˈnaɪ trəˌfaɪ /

verb (used with object), de·ni·tri·fied, de·ni·tri·fy·ing. 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

de·ni·tri·fi·ca·tion, nounde·ni·tri·fi·er, de·ni·tri·fi·ca·tor, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for denitrification

  • 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


/ (diːˈnaɪtrɪˌfaɪ) /

verb -fies, -fying or -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