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heat - definition and synonyms


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noun heat pronunciation in British English /hiːt/
Word Forms
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  1. 1
    [singular/uncountable] the quality of being hot, or the degree to which something is hot
    These paints can withstand heat up to 200 degrees.
    The firefighters were driven back by the intense heat and smoke.
    heat of: He could feel the heat of the sun on his back.
    1. a.
      [only before noun] relating to heat
      insulation to prevent heat loss
      the heat haze shimmering over the sands
    2. b.

      the heat

      very hot weather
      They were unable to work in the blistering heat.
      The local people get out of the city to escape the summer heat.
      the heat of the day (=the hottest part of the day): Only tourists were wandering about in the heat of the day.
    3. c.

      the heat

      the amount of heat produced by an oven or a heating system
      Bring the mixture to the boil; then reduce the heat.
      turn the heat up/down/on/off: I turned the heat down a little.
    4. d.

      the heat

      the place where the heat in an oven or on a hob comes from
      Take the pan off the heat.
  2. 2
    [uncountable] physics the energy that is produced when the temperature of something changes
    These chemical processes generate a lot of heat.
  3. 3
    [uncountable] the heating system in a building
    The cottage had no heat or water.
  4. 4
    [uncountable] strong and angry feelings
    He felt the heat of my glare.
    take the heat out of something: Professional counselling is one way of taking the heat out of getting a divorce.
  5. 6

    the heat

    informal pressure and criticism intended to force someone to do what you want
    Many producers are beginning to feel the heat from their larger customers.
    put/keep the heat on (someone): We need to keep the heat on.


a meal served in the evening which consists of foods traditionally eaten at breakfast

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