Definition of monensin in English:


Pronunciation /məˈnɛnsɪn/


Biology Medicine
  • An open-chain polyether produced by the bacterium Streptomyces cinnamonensis, which acts as an ionophore for monovalent cations and inhibits protein transport and various other cellular functions, and which is used in veterinary medicine as an antibiotic, chiefly for growth promotion in cattle.


1960s; earliest use found in Journal of the American Chemical Society. From monens- (in scientific Latin cinnamonensis, specific epithet from classical Latin cinnamon + -ēnsis see -ese) + -in.