trichotomousadj.

Brit.

/trʌɪˈkɒtəməs/,

/trᵻˈkɒtəməs/, U.S.

/trəˈkɑdəməs/

Etymology: < Greek τρίχα triply + -τομος cut + -ous suffix; compare dichotomous adj.

1. Botany. Dividing into three branches; so branched that each successive axis divides into three.

ΘΚΠ

the world > plants > part of plant > (defined by) distribution, arrangement, or position > [adjective] > branching or not branching > dividing into three branches

trichotomous1801

the world > life > biology > physical aspects or shapes > physical arrangement or condition > [adjective] > composed of many parts > branching

dichotomizing1606

branching1720

dichotomous1752

ramulose1753

subramose1797

trichotomous1801

tetrachotomous1829

ramellose1853

alar1858

biramose1877

biramous1877

1801 Asiatic Ann. Reg. 1800 Misc. Tracts 273/2 Peduncles axillary,..trichotomous.

1806 J. Galpine Synoptical Compend Brit. Bot. §29 Aira... Culm almost naked: pan[icle] spreading trichotomous.

1880 S. Yosino in Sir E. J. Reed Japan II. 44 (note) Its stem and branches are trichotomous.

2. Making three divisions, classes, or categories; involving or of the nature of trichotomy.

ΘΚΠ

the world > relative properties > number > specific numbers > three > division into three > [adjective] > divided or dividing into three categories

trichotomous1855

trichotomic1873

1855 N. Lindley Introd. Jurisprudence App. 85 The passages cited..are all against the trichotomous and in favour of the dichotomous division of culpa.

1899 Robertson in Expositor May 351 A trichotomous psychology.

Derivatives

triˈchotomously adv.

ΘΚΠ

the world > plants > part of plant > (defined by) distribution, arrangement, or position > [adverb] > arranged in a specific way

interruptedly1753

accumbent1801

trichotomously1830

unilaterally1830

furcately1846

uniseriately1846

secundly1870

monosymmetrically1875

polysymmetrically1875

1830 J. Lindley Introd. Nat. Syst. Bot. 204 Flowers in regular cymes, branched bi- or trichotomously.

1853 J. F. Royle Man. Materia Med. (ed. 2) 444 Panicles short, trichotomously divided.

This entry has not yet been fully updated (first published 1914; most recently modified version published online March 2022).

单词	trichotomous
释义	trichotomousadj. Brit. /trʌɪˈkɒtəməs/, /trᵻˈkɒtəməs/, U.S. /trəˈkɑdəməs/ Etymology: < Greek τρίχα triply + -τομος cut + -ous suffix; compare dichotomous adj. 1. Botany. Dividing into three branches; so branched that each successive axis divides into three. ΘΚΠ the world > plants > part of plant > (defined by) distribution, arrangement, or position > [adjective] > branching or not branching > dividing into three branches trichotomous1801 the world > life > biology > physical aspects or shapes > physical arrangement or condition > [adjective] > composed of many parts > branching dichotomizing1606 branching1720 dichotomous1752 ramulose1753 subramose1797 trichotomous1801 tetrachotomous1829 ramellose1853 alar1858 biramose1877 biramous1877 1801 Asiatic Ann. Reg. 1800 Misc. Tracts 273/2 Peduncles axillary,..trichotomous. 1806 J. Galpine Synoptical Compend Brit. Bot. §29 Aira... Culm almost naked: pan[icle] spreading trichotomous. 1880 S. Yosino in Sir E. J. Reed Japan II. 44 (note) Its stem and branches are trichotomous. 2. Making three divisions, classes, or categories; involving or of the nature of trichotomy. ΘΚΠ the world > relative properties > number > specific numbers > three > division into three > [adjective] > divided or dividing into three categories trichotomous1855 trichotomic1873 1855 N. Lindley Introd. Jurisprudence App. 85 The passages cited..are all against the trichotomous and in favour of the dichotomous division of culpa. 1899 Robertson in Expositor May 351 A trichotomous psychology. Derivatives triˈchotomously adv. ΘΚΠ the world > plants > part of plant > (defined by) distribution, arrangement, or position > [adverb] > arranged in a specific way interruptedly1753 accumbent1801 trichotomously1830 unilaterally1830 furcately1846 uniseriately1846 secundly1870 monosymmetrically1875 polysymmetrically1875 1830 J. Lindley Introd. Nat. Syst. Bot. 204 Flowers in regular cymes, branched bi- or trichotomously. 1853 J. F. Royle Man. Materia Med. (ed. 2) 444 Panicles short, trichotomously divided. This entry has not yet been fully updated (first published 1914; most recently modified version published online March 2022). < adj.1801
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