/ Dictionary / Index T trichotomy property: Meaning and Definition of Find definitions for: trichot'omy prop"erty Pronunciation: [key] — Math. Math. the property that for natural numbers a and b, either a is less than b, a equals b, or a is greater than b. Also called law of trichotomy, trichot&prim;omy law&sec;, trichot&prim;omy prin&sec;ciple. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. trichotomy trichroic Related Content Daily Word Quiz: wizened Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language