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nitrification

[nahy-truh-fi-key-shuh n] /ˌnaɪ trə fɪˈkeɪ ʃən/
noun
1.
the act of nitrifying.
Origin
1820-1830
1820-30; nitr- + -i- + -fication
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for nitrification
  • These processes are called nitrification and involve the transfer of nitrogen between microbes in the ocean.
  • Nitrous oxide is produced naturally in soils through the microbial processes of denitrification and nitrification.
British Dictionary definitions for nitrification

nitrification

/ˌnaɪtrɪfɪˈkeɪʃən/
noun
1.
the oxidation of the ammonium compounds in dead organic material into nitrites and nitrates by soil nitrobacteria, making nitrogen available to plants See also nitrogen cycle
2.
  1. the addition of a nitro group to an organic compound
  2. the substitution of a nitro group for another group in an organic compound
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 nitrification
n.

1827, from French nitrification (1787, de Morveau), from nitrifier (1777), from nitre (see nitre).

Online Etymology Dictionary, © 2010 Douglas Harper
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nitrification in Medicine

nitrification ni·tri·fi·ca·tion (nī'trə-fĭ-kā'shən)
n.

  1. The oxidation of an ammonia compound into nitric acid, nitrous acid, or any nitrate or nitrite, especially by the action of bacteria.

  2. The treatment or combination of a substance with nitrogen or compounds containing nitrogen.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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nitrification in Science
nitrification
  (nī'trə-fĭ-kā'shən)   
The process by which bacteria in soil and water oxidize ammonia and ammonium ions and form nitrites and nitrates. Because the nitrates can be absorbed by more complex organisms, as by the roots of green plants, nitrification is an important step in the nitrogen cycle.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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