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

Type of: penicillin

• stonework
• stonewort
• stonily
• stoniness
• stoning
• stonker
• stonkered
• stonking
• stony
• stony coral
• Stony Tunguska
• stony-broke
• stonyhearted
• stooge
• stook
• stool
• stool test
• stoolie
• stoolpigeon
• stoop
• stoop to
• stooped
• stooper
• stooping
• stop