streptolysin

noun

strep·to·ly·sin ˌstrep-tə-ˈlī-sᵊn

: an antigenic hemolysin produced by streptococci

Word History

First Known Use

1904, in the meaning defined above

Time Traveler

The first known use of streptolysin was in 1904

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Browse Nearby Words

streptokinase

streptolysin

streptomyces

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Cite this Entry

Style

“Streptolysin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/streptolysin. Accessed 21 Jul. 2025.

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Medical Definition

streptolysin

noun

strep·to·ly·sin ˌstrep-tə-ˈlīs-ᵊn

: any of various antigenic hemolysins produced by streptococci

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