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[uh-gloot-n-ey-shuh n] /əˌglut nˈeɪ ʃən/
the act or process of uniting by glue or other tenacious substance.
the state of being thus united; adhesion of parts.
that which is united; a mass or group cemented together.
Immunology. the clumping of bacteria, red blood cells, or other cells, due to the introduction of an antibody.
Linguistics. a process of word formation in which morphemes, each having one relatively constant shape, are combined without fusion or morphophonemic change, and in which each grammatical category is typically represented by a single morpheme in the resulting word, especially such a process involving the addition of one or more affixes to a base, as in Turkish, in which ev means “house,” ev-den means “from a house,” and ev-ler-den means “from houses.”.
Origin of agglutination
1535-45; agglutinate + -ion
Related forms
antiagglutination, adjective
interagglutination, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for agglutination


the act or process of agglutinating
the condition of being agglutinated; adhesion
a united mass or group of parts
(chem) the formation of clumps of particles in a suspension
(biochem) proteinaceous particles, such as blood cells and bacteria, that form clumps in antibody–antigen reactions
(immunol) the formation of a mass of particles, such as erythrocytes, by the action of antibodies
(linguistics) the building up of words from component morphemes in such a way that these undergo little or no change of form or meaning in the process of combination
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for agglutination

1540s, from Latin agglutinationem (nominative agglutinatio), noun of action from past participle stem of agglutinare "fasten with glue," from ad- "to" (see ad-) + glutinare "to glue," from gluten "glue," from PIE *glei- (see glue (n.)). Philological sense first recorded 1650s, in agglutinative.

Online Etymology Dictionary, © 2010 Douglas Harper
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agglutination in Medicine

agglutination ag·glu·ti·na·tion (ə-glōōt'n-ā'shən)

  1. The act or process of agglutinating.

  2. The clumping together of red blood cells or bacteria, usually in response to a particular antibody.

  3. A clumped mass of material formed by agglutination. Also called agglutinate.

  4. Adhesion of wound surfaces in healing.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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agglutination in Science
The clumping together of biologic material, such as red blood cells or bacteria, that is suspended in liquid, usually in response to a particular antibody.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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