1. a period of time during which something (such as equipment or a person) gradually returns to normal temperature or condition after intense activity
Usage: common in fitness and exercise contexts
2. in video games, a waiting period that must pass before an ability or action can be used again
Usage: gaming terminology
3. a period of time allowed for emotions or tensions to settle; a calming-down period
Usage: informal

Examples

• After running a 5K, it's important to do a 10-minute cooldown to bring your heart rate back down.
• The fighter's special move has a 30-second cooldown before it can be used again.
• We took a cooldown period before discussing the argument further.
• The cooldown phase of your workout helps prevent dizziness and muscle soreness.
• In the game, each spell has its own cooldown timer displayed on the screen.
• The team needed a cooldown after the heated debate to refocus on the project.