[ uh-gloot-n-in ]
/ əˈglut n ɪn /

noun Immunology.

an antibody that causes agglutination.

Origin of agglutinin

First recorded in 1895–1900; agglutin(ate) + -in2 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for agglutinin

British Dictionary definitions for agglutinin


/ (əˈɡluːtɪnɪn) /


a substance, such as an antibody or a lectin, that causes agglutination of cells or bacteria

Word Origin for agglutinin

C19: agglutinate + -in
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for agglutinin


[ ə-glōōtn-ĭn ]


A substance, such as an antibody, that is capable of causing agglutination of a particular antigen, especially red blood cells or bacteria.
A substance, other than a specific agglutinating antibody, that causes organic particles to agglutinate.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.