zymosan

noun

zy·​mo·​san ˈzī-mə-ˌsan How to pronounce zymosan (audio)
: an insoluble largely polysaccharide fraction of yeast cell walls

Word History

Etymology

zym- + -osan (as in hexosan)

First Known Use

1943, in the meaning defined above

Time Traveler
The first known use of zymosan was in 1943

Browse Nearby Words

zymogram
zymosan
zymoscope
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Cite this Entry

“Zymosan.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/zymosan. Accessed 8 Jul. 2025.

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Medical Definition

zymosan

noun
zy·​mo·​san ˈzī-mə-ˌsan How to pronounce zymosan (audio)
: an insoluble largely polysaccharide fraction of yeast cell walls
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