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Definition of 'heat'


  1. a form of energy that is transferred by a difference in temperature
       Synonyms: heat energy
  2. the presence of heat
       Synonyms: hotness high temperature
       Antonyms: coldness cold low temperature frigidity frigidness
  3. the sensation caused by heat energy
       Synonyms: warmth
  4. the trait of being intensely emotional
       Synonyms: warmth passion
  5. applies to nonhuman mammals: a state or period of heightened sexual arousal and activity
       Synonyms: estrus oestrus rut
       Antonyms: anestrus anestrum anoestrus anoestrum
  6. a preliminary race in which the winner advances to a more important race
  7. utility to warm a building; "the heating system wasn't working"; "they have radiant heating"
       Synonyms: heating system heating plant heating


  1. make hot or hotter; "the sun heats the oceans"; "heat the water on the stove"
       Synonyms: heat up
       Antonyms: cool chill cool down
  2. provide with heat; "heat the house"
  3. arouse or excite feelings and passions; "The ostentatious way of living of the rich ignites the hatred of the poor"; "The refugees' fate stirred up compassion around the world"; "Wake old feelings of hatred"
       Synonyms: inflame stir up wake ignite fire up
  4. gain heat or get hot; "The room heated up quickly"
       Synonyms: hot up heat up
       Antonyms: cool chill cool down

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