1. Unaffected by penicillin
   "penicillin-resistant bacteria"

See also: penicillin

• rum cocktail
• rum nose
• rum sling
• rum-blossom
• Rumania
• Rumanian
• Rumansh
• rumba
• rumble
• rumble seat
• rumbling
• rumbustious
• rumen
• Rumex
• Rumex acetosa
• Rumex acetosella
• Rumex obtusifolius
• Rumex scutatus
• ruminant
• Ruminantia
• ruminate
• rumination
• ruminative
• ruminator
• rummage