| 释义 |
trichotomous, a.|trɪ-, traɪˈkɒtəməs|
[f. Gr. τρίχα triply + -τοµ-ος cut + -ous; cf. dichotomous.]
1. Bot. Dividing into three branches; so branched that each successive axis divides into three.
1800Misc. Tr. in Asiatic Ann. Reg. 273/2 Peduncles axillary,..trichotomous. 1806J. Galpine Brit. Bot. §29 Aira... Culm almost naked: pan[icle] spreading trichotomous. 1880S. 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.
1855N. Lindley Introd. Jurisprudence App. 85 The passages cited..are all against the trichotomous and in favour of the dichotomous division of culpa. 1899Robertson in Expositor May 351 A trichotomous psychology.
Hence triˈchotomously adv.
1830Lindley Nat. Syst. Bot. 204 Flowers in regular cymes, branched bi- or trichotomously. 1853Royle Mat. Med. (ed. 2) 444 Panicles short, trichotomously divided. |