trichotomous

[医] 三分的, 分三部的

释义与例句

adj.
  1. 1.

    Divided into three parts, or into threes; forking three ways.

  2. 2.

    Such that, for all x and y in X, and for a binary relation R, exactly one of xRy, yRx or x=y holds.

    数学

    > is a trichotomous relation, while the relation "divides" over the natural numbers is not.

词源

From trichotomy + -ous. Modelled on dichotomous.

来源：wiktionary