1. Occurring ever half hour

1. Every thirty minutes, every half hour

See also: periodic, periodical

• quellung
• quellung reaction
• quench
• quenchable
• quenched
• quenched steel
• quencher
• quenching
• quenchless
• quenelle
• Quentin Jerome Tarantino
• Quentin Tarantino
• quercitron
• quercitron oak
• Quercus
• Quercus agrifolia
• Quercus alba
• Quercus arizonica
• Quercus bicolor
• Quercus borealis
• Quercus cerris
• Quercus chrysolepis
• Quercus coccinea
• Quercus ellipsoidalis
• Quercus falcata