1. A synthetic type of penicillin antibiotic (trade name Pipracil) used for moderate to severe infections
   - piperacillin

Type of: penicillin

• kyphotic
• Kyrgyz Republic
• Kyrgyzstan
• Kyrgyzstani
• Kyrgyzstani monetary unit
• Kyrie
• Kyrie eleison
• Kyushu
• Kyyiv
• Kyzyl Kum
• KZN
• Köln
• l
• L'Aquila
• L'Enfant
• L-dopa
• L-P
• L-plate
• L-shaped
• L. M. Montgomery
• L. monocytogenes
• L. Ron Hubbard
• L. S. Lowry
• la
• La Fontaine