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Word of the Day Tuesday, June 9, 2026

hapten

/hæptən/ noun · British & US
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What does hapten mean?

noun

A hapten is a small molecule that can elicit an immune response only when attached to a large carrier such as a protein. Haptens are often used in the development of vaccines and diagnostic tests.

Example

"The researchers used a hapten to stimulate an immune response in the test subjects."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for hapten

Rhymes with hapten

Etymologically related