antibiotic

noun

1. Any substance that can destroy or inhibit the growth of bacteria and similar microorganisms, generally transported by the lymphatic system.

   “On a summer visit back to the farm here where I grew up, I think I figured out the central problem with modern industrial agriculture. It’s not just that it produces unhealthy food, mishandles waste and overuses antibiotics in ways that harm us all.”

   “We selected colistimethate sodium (CMS) as our antibiotic of choice.”

adj

1. Of or relating to antibiotics.
2. (obsolete)Of or relating to the theory that extraterrestrial life does not exist.