1. 1,000,000,000 periods per second
   - gigahertz, GHz, gigacycle, Gc

Type of: rate

• pestle
• pesto
• pet
• pet name
• pet peeve
• PET scanner
• pet shop
• pet sitter
• pet sitting
• peta-
• petabit
• petabyte
• petaflop
• petal
• petaled
• petalled
• petalless
• petallike
• petaloid
• petalous
• petard
• Petasites
• Petasites fragrans
• Petasites hybridus
• Petasites sagitattus