Meaning of valinomycin

val•in•o•my•cin

Pronunciation: (val"u-nō-mī'sin), [key]
— n. Pharm.
  1. a cyclic, peptide antibiotic, CHNO, produced by the bacterium Streptomyces fulvissimus; used experimentally to transport potassium across membranes.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.