ag·​glu·​ti·​na·​tion | \ ə-ˌglü-tə-ˈnā-shən How to pronounce agglutination (audio) \

Definition of agglutination

1 : the action or process of agglutinating
2 : a mass or group formed by the union of separate elements
3 : the formation of derivational or inflectional words by putting together constituents of which each expresses a single definite meaning
4 : a reaction in which particles (such as red blood cells or bacteria) suspended in a liquid collect into clumps and which occurs especially as a serologic response to a specific antibody

Examples of agglutination in a Sentence

Recent Examples on the Web Some of these agglutinations have a satisfying outlandishness about them: That smooching pair, for example, are wearing huge masks from the Bamana people of West Africa on their heads. Jason Farago, New York Times, 13 Apr. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'agglutination.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of agglutination

1541, in the meaning defined at sense 1

History and Etymology for agglutination

borrowed from Late Latin agglūtinātiōn-, agglūtinātiō, from Latin agglūtināre "to agglutinate entry 1" + -tiōn-, tiō, suffix of action nouns

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Time Traveler for agglutination

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The first known use of agglutination was in 1541

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Cite this Entry

“Agglutination.” Dictionary, Merriam-Webster, Accessed 10 Aug. 2022.

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More Definitions for agglutination


ag·​glu·​ti·​na·​tion | \ ə-ˌglüt-ᵊn-ˈā-shən How to pronounce agglutination (audio) \

Medical Definition of agglutination

: a reaction in which particles (as red blood cells or bacteria) suspended in a liquid collect into clumps and which occurs especially as a serological response to a specific antibody

More from Merriam-Webster on agglutination

Thesaurus: All synonyms and antonyms for agglutination Encyclopedia article about agglutination


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