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.

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 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for denitrifying

Historical Examples of denitrifying

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
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