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

Derived forms: gigacycles

Type of: rate

• goaded
• goading
• goal
• goal line
• goal-directed
• goal-kick
• goalie
• goalkeeper
• goalless
• goalmouth
• goalpost
• goaltender
• goanna
• goat
• goat antelope
• goat cheese
• goat god
• goat grass
• goat herder
• goat rue
• goat willow
• goat's rue
• goatee
• goateed
• goatfish