/ Dictionary / Index L lymphomatosis: Meaning and Definition of Find definitions for: lym•pho•ma•to•sis Pronunciation: (lim"fō-mu-tō'sis), [key] — n. Pathol. lymphoma spread throughout the body. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. lymphoma lymphopenia Related Content Daily Word Quiz: tenacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language