1. A crystalline penicillin similar in action to penicillin G but more resistant to the action of gastric acids
   - penicillin V

Type of: penicillin

• railyard
• raiment
• raimentless
• rain
• rain barrel
• rain buckets
• rain cats and dogs
• rain check
• rain cloud
• rain dance
• rain date
• rain down
• rain gage
• rain gauge
• rain out
• rain shadow
• rain shower
• rain stick
• rain tree
• Rain-giver
• Rain-in-the-Face
• rain-wash
• rainbird
• rainbow
• rainbow cactus