noun
cooling down; cooldown
Refers to the process of gradually reducing exercise intensity after a workout, or more generally to any cooling-off period. Common in sports and fitness contexts.
運動の後は、必ずクーリングダウンをしてください。
After exercising, please always do a cool-down.
クーリングダウンを怠ると、筋肉痛
If you neglect cooling down, you're more likely to get muscle soreness.