We don't have synonyms for trichotomies yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are trichotomous, dichotomies and tracheotomies.
(n) :
Division or separation into three groups or pieces.
(n) :
(algebra) the property of an order relation whereby, given an ordered pair of elements (of a given algebraic structure), exactly one of these is true: the first element is 'less than' the second one, the second is 'less than' the first, or the two elements are equal.
(n) :
Division or separation into three groups or pieces.
(n) :
(algebra) the property of an order relation whereby, given an ordered pair of elements (of a given algebraic structure), exactly one of these is true: the first element is 'less than' the second one, the second is 'less than' the first, or the two elements are equal.