monensin
noun
mo·nen·sin
mō-ˈnen-sən 
: an antibiotic C36H62O11 obtained from a bacterium of the genus Streptomyces (S. cinnamonensis) and used as an antiprotozoal, antibacterial, and antifungal agent and as an additive to cattle feed
Cite this Entry
“Monensin.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/monensin. Accessed 4 Nov. 2025.
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