dichotomizationn.
/dʌɪˌkɒtəmʌɪˈzeɪʃn/, /dᵻˌkɒtəmʌɪˈzeɪʃn/, U.S. /daɪˌkɑdəməˈzeɪʃ(ə)n/ The condition of being, or process of becoming, dichotomized; division into two sharply defined parts or mutually exclusive categories. Also: a distinct branch or category of this nature.With quots. 1830, 1867 cf. dichotomized adj. 2.
ΘΚΠ
the world > the universe > planet > primary planet > moon > phase > [noun] > half moon
dichotomy1661
dichotomization1830
1830 G. Darley Familiar Astron. x. 253 The circle of light and darkness on her surface is about half-way between her dark edge and the line of dichotomization.
1839 Naturalist 4 306 It is corded tightly together by lateral ligatures, that, extending along each dichotomization beneath the epidermis, preserve it from the effects of common accidents.
1846 Q. Jrnl. Geol. Soc. 2 393 At four feet distance the roots became true Stigmaria and then no further dichotomization took place.
1867 G. F. Chambers Descr. Astron. i. v. 60 A discrepancy..between the first or last appearance of the dichotomisation.
1879 Philos. Trans. 1878 (Royal Soc.) 169 334 One such leaf-bundle went to each leaf, hence we have here no dichotomization.
1919 E. Paul & C. Paul tr. T. G. Masaryk Spirit of Russia I. ix. 250 The disastrous dichotomisation of the church and of mankind is regarded as a new Fall.
1972 L. J. Bean Mukat's People (1974) vi. 86 The beings or creations of Mukat and Temayawul, the two creator gods, were the dichotomizations in the cosmological realm.
1996 D. Findlay in B. Schissel & L. Mahood Social Control in Canada viii. 174 Our bodies are controlled through a strict dichotomization of sex and gender.
2002 S. J. Gould Struct. Evolutionary Theory ix. 991 Dichotomization stands as our primary mode of taxonomic oversimplification.
This entry has been updated (OED Third Edition, March 2014; most recently modified version published online March 2022).
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n.1830