noun, plural tri·chot·o·mies.
division into three parts, classes, categories, etc.
an instance of such a division, as in thought, structure, or object.
the three-part division of human beings into body, spirit, and soul.
Origin of trichotomy
1600–10; < New Latin trichotomia < Greek trích(a) in three parts + New Latin -tomia -tomy
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Related Words for trichotomousthreefold, treble, triple, trilateral, ternary, third, trinitarian, trine, triangular, pyramidal, ternate, trigonal, trigonous, trinal, trinary, tripartite
noun plural -mies
division into three categories
theol the division of man into body, spirit, and soul
Word Origin for trichotomy
C17: probably from New Latin trichotomia, from Greek trikhotomein to divide into three, from trikha triple + temnein to cut
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