/ Dictionary / Index H human T-cell lymphotropic virus type 3: Meaning and Definition of Find definitions for: human T-cell lymphotropic virus type 3 Pronunciation: [key] HTLV-3. See under Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. human T-cell lymphotropic virus humanum est errare* Related Content Daily Word Quiz: fabricate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language