/ Dictionary / Index T trichosis: Meaning and Definition of Find definitions for: tri•cho•sis Pronunciation: (tri-kō'sis), [key] — n. Pathol. any disease of the hair. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. trichopterous trichothecene Related Content Daily Word Quiz: impetuous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language