/ Dictionary / Index H hypertrichosis: Meaning and Definition of Find definitions for: hy•per•tri•cho•sis Pronunciation: (hī"pur-tri-kō'sis), [key] — n. excessive growth of hair. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. hypertonic hypertrophy 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