1. the speed and direction of movement of an object
Usage: physics; technical
2. the rate of change or movement; speed

Examples

• The car’s velocity increased as it went down the hill.
• Scientists measured the velocity of the falling object.
• The rocket reached an incredible velocity during launch.
• Wind velocity affects how planes take off and land.
• The velocity of economic growth has slowed this quarter.
• Water flows through the pipe at a constant velocity.