Definition of heat noun from the Oxford Advanced American Dictionary

      

    heat

     noun
    noun
    NAmE//hit//
     
     
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    being hot/temperature
  1. 1 [uncountable] the quality of being hot He could feel the heat of the sun on his back. Heat rises. The fire gave off intense heat. see also white heat
  2. 2 [uncountable, countable, usually singular] the level of temperature to increase/reduce the heat Test the heat of the water before putting the baby in the bathtub. Set the oven to a low/high/moderate heat.
  3. 3[uncountable] hot weather; the hot conditions in a building/vehicle, etc. You should not go out in the heat of the day (= at the hottest time). to suffer from the heat the afternoon/midday heat The heat in the factory was unbearable. see also prickly heat
  4. for cooking
  5. 4 [singular] a source of heat, especially one that you cook food on Return the pan to the heat and stir. Simmer the soup for 10 minutes, then remove from the heat.
  6. in building/room
  7. 5 [uncountable, singular] the process of supplying heat to a room or building; a system used to do this The heat wasn't on and the house was freezing. synonym heating
  8. strong feelings
  9. 6[uncountable] strong feelings, especially of anger or excitement “No, I won't,” he said with heat in his voice. The chairman tried to take the heat out of the situation (= to make people calmer). In the heat of the moment she forgot what she wanted to say (= because she was so angry or excited). In the heat of the argument he said a lot of things he regretted later.
  10. pressure
  11. 7 [uncountable] pressure on someone to do or achieve something The heat is on now that the election is only a week away. The Mavericks turned up the heat on their opponents with a second basket. Can she take the heat of this level of competition?
  12. race
  13. 8 [countable] one of a series of races or competitions, the winners of which then compete against each other in the next part of the competition a qualifying heat She won her heat. He did well in the heats; hopefully he'll do as well in the final. see also dead heat
  14. physics
  15. 9[uncountable] heat seen as a form of energy that can be transferred by conduction, convection, or radiation
  16. Idioms
    if you can't stand/take the heat (get out of the kitchen)(informal)
     
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    used to tell someone to stop trying to do something if they find it too difficult, especially in order to suggest that they are less able than other people
See the Oxford Advanced Learner's Dictionary entry: heat