immunogen

noun

im·​mu·​no·​gen i-ˈmyü-nə-jən How to pronounce immunogen (audio)
-ˌjen
ˈi-ˌmyə-nə- How to pronounce immunogen (audio)
: a substance that produces an immune response

Examples of immunogen in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
That has led researchers to come up with a vaccine strategy that relies on a series of different immunogens that guide B cells toward producing a broadly neutralizing response. Annalisa Merelli and Jonathan Wosen, STAT, 17 May 2024 Recognizing the need for a comprehensive strategy, the funding is going to multidisciplinary groups with expertise in virology and immunology, immunogen design, and innovative vaccine and adjuvant platforms and technologies. Laura Defrancesco, Scientific American, 6 Jan. 2022 Mosaico is based on Imbokodo’s unique mosaic immunogen approach. Tim Fitzsimons, NBC News, 1 Dec. 2019

Word History

Etymology

immuno- + -gen (earlier as a trademark)

First Known Use

1959, in the meaning defined above

Time Traveler
The first known use of immunogen was in 1959

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Cite this Entry

“Immunogen.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/immunogen. Accessed 5 Jul. 2026.

Medical Definition

immunogen

noun
im·​mu·​no·​gen i-ˈmyü-nə-jən How to pronounce immunogen (audio) ˈim-yə-nə- How to pronounce immunogen (audio)
-ˌjen
: an antigen that provokes an immune response (as antibody production)

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