Definition of "neomycin" []

• A broad-spectrum antibiotic produced from strains of the actinomycete Streptomyces fradiae and used especially in the form of its sulfate as an intestinal antiseptic in surgery. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Only neomycin is contained in vaccines in detectable quantities (see table below)."
• "You need to know whether you're allergic to any of its ingredients such as neomycin or gelatin."
• "The violations occurred over a number of years, as recently as 2008, and involved 23 positive tests for drugs such as neomycin, penicillin, gentamicin and other antibiotics."