mo|nen|sin «moh NEHN suhn», noun.
a product of fermentation resulting from the action of a species of streptomyces. Monensin is used as an additive to feed for beef cattle to inhibit the formation of certain gases which promotes the absorption of energy from feed. It is also noted for its ability to carry ions across lipid barriers.
╂[< (Streptomyces cinna) monensis, the species of streptomyces + -in2]
Useful english dictionary. 2012.