/ Dictionary / Index L lymphopenia: Meaning and Definition of Find definitions for: lym•pho•pe•ni•a Pronunciation: (lim"fō-pē'nē-u, -pēn'yu), [key] — n. Pathol. a reduction in the number of lymphocytes in the blood. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: lymphopenia (Thesaurus) lymphomatosis lymphopoiesis Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language