antiperiodic /an-ti-pē-ri-odˈik/ (medicine)

1. Destroying the periodicity of diseases
2. Antimalarial

A drug with such an effect

• oryctology
• oryx
• oryxes
• Oryza
• orzo
• orzos
• os
• O's
• OS
• Os
• OSA
• Osage
• Osage orange
• OSB
• Oscan
• oscar
• Oscar
• oscars
• Oscars
• OSCE
• oscheal
• oscillate
• oscillated
• plenipotences
• plenipotencies