cytolysin

noun

cy·​to·​ly·​sin ˌsī-tə-ˈlī-sᵊn How to pronounce cytolysin (audio)
: a substance (such as an antibody that lyses bacteria) producing cytolysis

Word History

Etymology

International Scientific Vocabulary

First Known Use

1901, in the meaning defined above

Time Traveler
The first known use of cytolysin was in 1901

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Cite this Entry

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

Medical Definition

cytolysin

noun
cy·​to·​ly·​sin ˌsīt-ᵊl-ˈīs-ᵊn How to pronounce cytolysin (audio)
: a substance (as an antibody that lyses bacteria) producing cytolysis
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