Nitrification definitions

Nitrification

1) Chemical action 2) Chemical change 3) Chemical process 4) The act of nitrifying
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Nitrification is the biological oxidation of ammonia or ammonium to nitrite followed by the oxidation of the nitrite to nitrate. The transformation of ammonia to nitrite is usually the rate limiting step of nitrification. Nitrification is an important step in the nitrogen cycle in soil. Nitrification is an aerobic process performed by small groups...
Found on http://en.wikipedia.org/wiki/Nitrification

nitrification

Sequential oxidation of ammonium salts to nitrite and nitrate by micro-organisms.
Found on http://sis.nlm.nih.gov/enviro/iupacglossary/glossaryn.html

Nitrification

• (n.) The act or process of oxidizing nitrogen or its compounds so as to form nitrous or nitric acid. • (n.) A process of oxidation, in which nitrogenous vegetable and animal matter in the presence of air, moisture, and some basic substances, as lime or alkali carbonate, is converted into nitrates. • (n.) The act, process, or result...
Found on http://thinkexist.com/dictionary/meaning/nitrification/

nitrification

(from the article `nitrogen cycle`) Nitrification, a process carried out by nitrifying bacteria (q.v.), transforms soil ammonia into nitrates, which plants can incorporate into their ... ...percent of the atmospheric gases, into compounds containing ammonium (NH+), nitrite (NO2), and nitrate (NO3). In a process called nitrification, ......
Found on http://www.britannica.com/eb/a-z/n/44

nitrification

the conversion of nitrogenous matter or free nitrogen into nitrates and ammonia by bacteria.
Found on http://www.chemicalglossary.net/definition/1146-Nitrification

nitrification

1. <chemistry> The act, process, or result of combining with nitrogen or some of its compounds. The act or process of oxidizing nitrogen or its compounds so as to form nitrous or nitric acid. ... 2. A process of oxidation, in which nitrogenous vegetable and animal matter in the presence of air, moisture, and some basic substances, as lime or ...
Found on http://www.encyclo.co.uk/local/20973

nitrification

(ni″trĭ-fĭ-ka´shәn) the bacterial oxidation of ammonia and organic nitrogen to nitrites and nitrates in the soil.
Found on http://www.encyclo.co.uk/local/21001

Nitrification

Formation of nitrates from organic and ammonia forms. The conversion of ammonia to nitrate.
Found on http://www.encyclo.co.uk/visitor-contributions.php

Nitrification

Ni`tri·fi·ca'tion noun [ Confer French nitrification . see Nitrify .] 1. (Chemistry) (a) The act, process, or result of combining with nitrogen or some of its compounds. (b) The act or process of oxidizing nitrogen or its compounds so as to form nitrous or...
Found on http://www.encyclo.co.uk/webster/N/24

nitrification

the conversion of nitrogenous matter or free nitrogen into nitrates and ammonia by bacteria.
Found on http://www.hach.com/chemGlossary

nitrification

Type: Term Pronunciation: nī′tri-fi-kā′shŭn Definitions: 1. Bacterial conversion of nitrogenous matter into nitrates. 2. Treatment of a material with nitric acid.
Found on http://www.medilexicon.com/medicaldictionary.php?t=60515

Nitrification

The biochemical oxidation of ammonium to nitrite and nitrite to nitrate. This process is carried out by specialized bacteria.
Found on http://www.physicalgeography.net/physgeoglos/n.html

nitrification

[n] - the chemical process in which a nitro group is added to an organic compound (or substituted for another group in an organic compound) 2. [n] - the oxidation of ammonium compounds in dead organic material into nitrates and nitrites by soil bacteria (making nitrogen available to plants)
Found on http://www.webdictionary.co.uk/definition.php?query=nitrification