subcultivationn.
/ˌsʌbkʌltᵻˈveɪʃn/, U.S. /ˌsəbkəltəˈveɪʃ(ə)n/ΚΠ
1847 Agric. Mag. Nov. 176 The Society's Gold Medal.—For the best essay on the effects of sub-cultivation on vegetable growth, its specific influence upon root crops, grain crops, and leaf crops respectively.
1852 C. W. Hoskyns Talpa xviii. 157 He [sc. the mole] taught us drainage—and sub-cultivation.
2. Biology. The action of making a subculture (subculture n. 1); an instance of this.
ΚΠ
1891 Proc. Royal Soc. 49 457 A very appreciable diminution of the liquefying power of organisms takes place after repeated sub-cultivation in nutrient gelatine.
1912 Brit. Med. Jrnl. 9 Nov. 1290/2 The fewer subcultivations that are needed the more closely will the organism, when eventually isolated, correspond to the one residing in the patient's tissues.
1957 J. D. Biggers et al. in H. K. Porter Biol. Action Growth Substances (Soc. Exper. Biol.) 268 These cells can be resuspended periodically for either subcultivation or biochemical and other measurements.
2006 Avian Dis. 50 621/2 Suspicious colonies were confirmed by microscopic observation of characteristic spiral cells and darting motility as well as by PCR after subcultivation on blood agar.
This entry has been updated (OED Third Edition, June 2012; most recently modified version published online March 2022).
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