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lymphopenia

American  
[lim-foh-pee-nee-uh, -peen-yuh] / ˌlɪm foʊˈpi ni ə, -ˈpin yə /

noun

Pathology.

  1. a reduction in the number of lymphocytes in the blood.

Etymology

Origin of lymphopenia

From New Latin, dating back to 1905–10; see origin at lympho-, -penia

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

It has further ongoing and planned trials for the treatment of bladder cancer, non-small-cell lung cancer, glioblastoma, sepsis, Non-Hodgkin lymphoma, and lymphopenia.

From Barron's • Mar. 24, 2026

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.