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English definition of “heat”

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heat

noun uk   /hiːt/ us  

heat noun (TEMPERATURE)

B1 [S or U] the quality of being hot or warm, or the temperature of something: the heat of the sun/fire How do you manage to work in this heat without air conditioning? She always wore a coat, even in the heat of summer. Cook the meat on a high/low heat (= at a high/low temperature).
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heat noun (IN BUILDING)

A2 [U] US ( also mainly UK heating) the system that keeps a building warm: Is the heat on?

heat noun (RACE)

[C] a less important race or competition in which it is decided who will compete in the final event

heat noun (ANIMAL)

on heat UK ( US in heat) An animal that is in heat is in a state of sexual excitement and ready to breed.

heat

verb [I or T] uk   /hiːt/ us  
B2 to make something hot or warm, or to become hot or warm: A large house like this must be expensive to heat. Shall I heat up some soup for lunch?
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(Definition of heat from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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