Nitrosomonasn.
/nʌɪˌtrəʊsə(ʊ)ˈməʊnəs/, U.S. /naɪˌtroʊsoʊˈmoʊnəs/ Microbiology.
A genus of Gram-negative aerobic bacteria (family Nitrobacteraceae) whose members have the ability to oxidize ammonia to nitrite, and are found in soil and water; (also nitrosomonas) a bacterium of this genus (rare).
ΚΠ
1896 Bot. Gaz. 21 243 He [sc. Migula] deprecates the introduction of generic terms that are based on some biological property such as Halibacterium Fischer, Photobacterium Beyerinck, Nitrosomonas and Nitromonas of Winogradsky.
1900 A. C. Jones tr. A. Fischer Struct. & Functions Bacteria xi. 105 Nitrosomonas is a very short ellipsoidal, motile form.
1934 A. T. Henrici Biol. Bacteria xviii. 289 Nitrosomonas species may appear in cultures in two forms—as zoögloeal masses which rest at the bottom of liquid cultures, in which the cells are non-motile; and as motile ‘swarmers’.
1946 H. J. Lutz & R. F. Chandler Forest Soils v. 114 The nitrosomonades are the dominant or the exclusive representatives [of nitrifying bacteria] in fertile agricultural soils.
1992 Pract. Fishkeeping Mar. 7/4 Ammonia oxidation..is conducted via the action of our ‘microbial army’ especially the bacteria nitrosomonas and nitrobacter.
This is a new entry (OED Third Edition, December 2003; most recently modified version published online March 2022).
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