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Word of the Day Tuesday, June 9, 2026

flagellin

/fləˈdʒelɪn/ noun · British & US
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What does flagellin mean?

noun

A protein that forms a part of the flagellum of bacteria, responsible for its motility. It is a key virulence factor in some bacterial pathogens.

Example

"The researchers studied the role of flagellin in the pathogenesis of the bacterial infection."

Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.

Etymologically related

Synonyms for flagellin

Rhymes with flagellin