1. moving or rotating in the same direction as the primary motion of a system
Usage: astronomy; geology

Examples

• Most planets in our solar system have prograde rotation.
• The moon’s prograde orbit takes it around Earth in the same direction as Earth’s rotation.
• Prograde motion is the normal direction of planetary movement.
• Scientists observed the asteroid’s prograde spin as it tumbled through space.
• The satellite was placed in a prograde orbit to conserve fuel.
• Prograde metamorphism occurs when rocks are subjected to increasing temperature and pressure.