[hahy-per-splee-niz-uh m, -splen-iz-]
noun Pathology.
  1. an abnormal condition characterized by an enlarged spleen that prematurely destroys red blood cells or platelets.

Origin of hypersplenism

First recorded in 1910–15; hyper- + splen- + -ism
Also called hy·per·sple·ni·a [hahy-per-splee-nee-uh] /ˌhaɪ pərˈspli ni ə/.
Related formshy·per·sple·nic, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

hypersplenism in Medicine


[hī′pər-splĕnĭz′əm, -splēnĭz′əm]
  1. A condition in which the hemolytic action of the spleen is greatly increased.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.