Definition of trichotomy in English:

trichotomy

Syllabification: tri·chot·o·my
Pronunciation: /trīˈkätəmē
 
/

noun (plural trichotomies)

A division into three categories: the pragmatics-semantics-syntax trichotomy
More example sentences
  • Phylogenetic relationships inferred from hsp 82 depicted the rotifer class Seisonidea as the sister taxon of a monophyletic trichotomy that included Acanthocephala, Bdelloidea, and Monogononta.
  • The argument comes down to considering a trichotomy,
  • Both clades, together with H. bastetanum, form a trichotomy that it is separate from H. suaveolens.

Origin

17th century: from Greek trikha 'threefold', from treis 'three', on the pattern of dichotomy.

Derivatives

trichotomous

adjective
More example sentences
  • Branching details are difficult to resolve in full, but trichotomous branching is evident in several areas, and four orders of laterals are evident within the upper verticils of this zone.
  • The dependent variable for this study was a trichotomous survey item focusing on level of parent involvement: ‘how active are you in your child's health education?’
  • Bivariate analyses of the trichotomous accuracy variable and patient attributes showed no important differences with respect to patients' age, sex, race, religion, or marital status.

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