| Nitrosomonas |
ellipsoidal soil bacteria
출처: wordnet.princeton.edu/perl/webwn
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| nitrous |
azotic: of or containing nitrogen; "nitric acid"
출처: wordnet.princeton.edu/perl/webwn
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| nitrous acid |
an unstable inorganic acid known only in solution and as nitrite salts
출처: wordnet.princeton.edu/perl/webwn
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| nitrous oxide |
inhalation anesthetic used as an anesthetic in dentistry and surgery
출처: wordnet.princeton.edu/perl/webwn
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| nitrogen cycle |
the steps by which nitrogen is extracted from the nitrates of soil and water, incorporated as amino acids and proteins in living organisms, and ultimately reconverted to nitrates: (1) conversion of nitrogen to nitrates by bacteria; (2) the extraction of the nitrates by plants and the building of amino acids and proteins by addition of an amino group to the carbon compounds produced in photosynthesis; (3) the ingestion of plants by animals; and (4) the return of nitrogen to the soil in animal ...
출처: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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