1. A form of penicillin that is not rendered inactive by penicillinase

Type of: penicillin

• reward
• rewardful
• rewarding
• rewardingly
• rewind
• rewire
• reword
• rewording
• rework
• rewritable
• rewrite
• rewrite man
• rewriter
• rewriting
• Rex
• rex begonia
• Rex Harrison
• Reye's syndrome
• Reyes
• Reykjavik
• Reynard
• Reynolds
• Rf
• RFD
• Rg