1. Occurring ever half hour

1. Every thirty minutes, every half hour

See also: periodic, periodical

• czarina
• czarism
• czarist
• czaristic
• czaritza
• Czech
• Czech capital
• Czech monetary unit
• Czech Republic
• Czechoslovak
• Czechoslovakia
• Czechoslovakian
• Czerny
• Czestochowa
• cèpe
• cégep
• Cézanne
• d
• D and C
• D region
• D'Oyly Carte
• D-day
• D-layer
• D. H. Lawrence
• D. W. Griffith