dichotomaladj.

Brit.

/dʌɪˈkɒtəml/,

/dᵻˈkɒtəml/, U.S.

/daɪˈkɑdəm(ə)l/

Origin: Formed within English, by derivation. Etymons: dichotomy n., -al suffix¹.

Etymology: < dichotom- (in dichotomy n.) + -al suffix¹. Compare earlier dichotomous adj.

Of, relating to, or characterized by dichotomy (in various senses).

ΘΚΠ

the world > relative properties > number > specific numbers > two > division into two > [adjective]

bipartite1574

biparted1586

slit1607

cleft1609

bisected1656

two-parted1793

dichotomized1806

dichotomous1817

dichotomal1818

1818 T. Nuttall Genera N. Amer. Plants I. 287 Flowers solitary, dichotomal and terminal.

1860 A. Wood Class-bk. Bot. (rev. ed.) p. iv Tables of analysis by the dichotomal method were first in the Class-Book applied to the genera of plants, and introduced into general use.

1906 J. N. Keynes Stud. & Exerc. Formal Logic (ed. 4) 445 It was in praise of dichotomal division that Jeremy Bentham..spoke of ‘the matchless beauty of the Ramean Tree’.

1961 Population Index 27 304 Our objective..is to account for all the variance in the dichotomal migration variable in the population about which we wish to generalize.

2002 GeoJournal 56 107/2 Western literature on China's literature, which illustrates China's urbanization under a dichotomal framework of either ‘rural-bias’ or ‘urban-bias’, could not be justified.

This entry has been updated (OED Third Edition, March 2014; most recently modified version published online March 2022).

单词	dichotomal
释义	dichotomaladj. Brit. /dʌɪˈkɒtəml/, /dᵻˈkɒtəml/, U.S. /daɪˈkɑdəm(ə)l/ Origin: Formed within English, by derivation. Etymons: dichotomy n., -al suffix¹. Etymology: < dichotom- (in dichotomy n.) + -al suffix¹. Compare earlier dichotomous adj. Of, relating to, or characterized by dichotomy (in various senses). ΘΚΠ the world > relative properties > number > specific numbers > two > division into two > [adjective] bipartite1574 biparted1586 slit1607 cleft1609 bisected1656 two-parted1793 dichotomized1806 dichotomous1817 dichotomal1818 1818 T. Nuttall Genera N. Amer. Plants I. 287 Flowers solitary, dichotomal and terminal. 1860 A. Wood Class-bk. Bot. (rev. ed.) p. iv Tables of analysis by the dichotomal method were first in the Class-Book applied to the genera of plants, and introduced into general use. 1906 J. N. Keynes Stud. & Exerc. Formal Logic (ed. 4) 445 It was in praise of dichotomal division that Jeremy Bentham..spoke of ‘the matchless beauty of the Ramean Tree’. 1961 Population Index 27 304 Our objective..is to account for all the variance in the dichotomal migration variable in the population about which we wish to generalize. 2002 GeoJournal 56 107/2 Western literature on China's literature, which illustrates China's urbanization under a dichotomal framework of either ‘rural-bias’ or ‘urban-bias’, could not be justified. This entry has been updated (OED Third Edition, March 2014; most recently modified version published online March 2022). < adj.1818
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