trichotomous adjective.
[trʌɪ'kɒtǝmǝs, trɪ-] E19.[from Greek trikha in three + -tomos cut: see TRICHO-2, -OUS.]1. Botany. Divided into three equal branches, each branch in each successive set being itself divided into three.
E19.2. Making three classes or categories.
M19. ■ trichotomously adverb M19. [TahlilGaran] English Dictionary ▲