Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “heat”

See all translations

heat

noun

heat noun (TEMPERATURE)

   /hit/ [U] warmth, esp. a lot of warmth: the heat of the sun physics    /hit/ [U] Heat is also a form of energy that a substance has because of the movement of its molecules or atoms.    /hit/ [U] The heat can also mean hot weather: I thought I’d like living in Florida, but the heat was too much for me.    /hit/ [U] The heat is also the system in a building or a stove that controls the temperature: I’m freezing – can you turn up the heat? Lower the heat when the water starts to boil.

heat noun (POWER)

physics /hit/ [U] a type of energy that moves from one object or substance to another because of their difference in temperature

heat noun (EMOTION)

   /hit/ [U] a state of strong emotion, esp. excitement or anger: The heat of his own argument swept him away. John apologized for the remarks he had made in the heat of the moment (= while he was angry or excited).

heat noun (RESPONSIBILITY)

   /hit/ [U] responsibility or blame: We took a lot of heat for showing that on TV.

heat noun (COMPETITION)

   /hit/ [C] a competition, esp. a race, in which it is decided who will compete in the final event

heat noun (BIOLOGY)

in heat biology If an animal, esp. a female, is in heat, it is ready to breed.

heat

verb [T]  /hit/ us  

heat verb [T] (TEMPERATURE)

to make a place or thing warm: It costs a lot to heat this house. Heat the sauce in the microwave.
Phrasal verbs
(Definition of heat from the Cambridge Academic Content Dictionary © Cambridge University Press)
What is the pronunciation of heat?
Add Cambridge dictionaries to your browser to your website

Definitions of “heat” in other dictionaries

Word of the Day

bad/hard/tough luck

said to express sympathy with someone when something bad has happened to them

Word of the Day

Think long and hard; the language of decisions

by Liz Walter,
January 28, 2015
One of the best ways (perhaps the best way) to improve your English is to learn how words go together in phrases, idioms, or other patterns such as verb/noun or adjective/noun pairs (often called ‘collocations’). This blog looks at some useful phrases and collocations connected with the subject of decisions, something we

Read More 

micro pig noun

January 26, 2015
an extremely small pig, bred to be a pet Micro pigs have become popular pets recently, with famous owners including Victoria Beckham, Paris Hilton and Olympic diver, Tom Daley.

Read More