adhesin

noun

ad·​he·​sin ad-ˈhē-zᵊn How to pronounce adhesin (audio)
plural adhesins
: any of various specialized molecular components (such as proteins) on the surface of a bacterial cell that bring about adhesion by attaching to the surface of other cells or structures
At the tip of each pilus is an adhesin, a protein designed to stick to a surface molecule of the bacterium's target cells.John Travis, Science News, 26 Apr. 1997
Cranberries have been shown to help prevent recurrent urinary tract infections but not by changing acidity. They contain chemicals that block adhesins and prevent bacteria from sticking to urinary tract cells.Gabe Mirkin, Washington Times, 28 Oct. 2001

Word History

Etymology

adhes- (in adhesion or adhesive entry 1) + -in entry 1

First Known Use

1959, in the meaning defined above

Time Traveler
The first known use of adhesin was in 1959

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Dictionary Entries Near adhesin

Cite this Entry

“Adhesin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/adhesin. Accessed 29 Nov. 2024.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!