1. the quality of being hot; high temperature
2. thermal energy that flows from a warmer to a cooler object
Usage: physics
3. a source of warmth, especially for cooking or warming a building

1. to make or become hot or warm

Examples

• The heat from the sun warmed the pavement.
• Turn up the heat in the house; it’s getting cold.
• Heat the soup in the microwave for two minutes.
• The metal conducts heat very well.
• She couldn’t stand the heat of the kitchen.
• The coach felt the heat from angry fans.
• Heat the oil before adding the vegetables.