novobiocin

[ nō′və-bīə-sĭn ]

n.

An antibiotic produced by the actinomycete Streptomyces nivens and used to treat infections by gram-positive bacteria.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.