1. Semisynthetic penicillin (trade names Principen and Polycillin and SK-Ampicillin)
   - ampicillin, Polycillin, SK-Ampicillin

Type of: penicillin

• bridge player
• bridge whist
• bridgeable
• bridged-T
• buckbean
• buckbean family
• buckboard
• bucked up
• buckeroo
• bucket
• bucket along
• bucket seat
• bucket shop
• bucket truck
• bucketful
• bucketload
• buckeye
• Buckeye State
• bucking bronco
• Buckingham Palace
• Buckinghamshire
• buckle
• buckle down
• buckle under
• buckler