[ hee-muh-gloot-n-ey-shuh n, hem-uh- ]
/ ˌhi məˌglut nˈeɪ ʃən, ˌhɛm ə- /


the clumping of red blood cells.

Origin of hemagglutination

First recorded in 1905–10; hem- + agglutination
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Medicine definitions for hemagglutination


[ hē′mə-glōōt′n-āshən ]


The agglutination of red blood cells caused by an antibody either for red blood cell antigens or for antigens that coat red blood cells or by the presence of viruses or other microbes.

Related forms

he′mag•gluti•nate′ v.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.