agglutinogen

noun

: an antigen whose presence results in the formation of an agglutinin

Word History

Etymology

borrowed from German Agglutinogen, from Agglutinine agglutinin + -o- -o- + -gen -gen

First Known Use

1904, in the meaning defined above

Time Traveler
The first known use of agglutinogen was in 1904

Browse Nearby Words

Cite this Entry

“Agglutinogen.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/agglutinogen. Accessed 7 Jul. 2026.

Medical Definition

agglutinogen

noun
: an antigen whose presence results in the formation of an agglutinin

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