heat

[ heet ]

/ hit /

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noun

the state of a body perceived as having or generating a relatively high degree of warmth.

the condition or quality of being hot: the heat of an oven.

the degree of hotness; temperature: moderate heat.

the sensation of warmth or hotness: unpleasant heat.

a bodily temperature higher than normal: the heat of a fever; the feeling of heat caused by physical exertion.

added or external energy that causes a rise in temperature, expansion, evaporation, or other physical change.

Physics. a nonmechanical energy transfer with reference to a temperature difference between a system and its surroundings or between two parts of the same system. Symbol: Q

a hot condition of the atmosphere or physical environment; hot season or weather.

a period of hot weather.

a sharp, pungent flavor, as that produced by strong spices.

warmth or intensity of feeling; vehemence; passion: He spoke with much heat and at great length.

maximum intensity in an activity, condition, etc.; the height of any action, situation, or the like: the heat of battle; the heat of passion.

extreme pressure, as of events, resulting in tension or strain: In the heat of his hasty departure he forgot his keys.

a single intense effort; a sustained, concentrated, and continuous operation: The painting was finished at a heat.

Slang. intensified pressure, especially in a police investigation.

Slang. the police.

Slang. armed protection, especially a pistol, revolver, or other firearm: All guards carry some heat.

Sports.

a single course in or division of a race or other contest.
a race or other contest in which competitors attempt to qualify for entry in the final race or contest.

Metallurgy.

a single operation of heating, as of metal in a furnace, in the treating and melting of metals.
a quantity of metal produced by such an operation.

Zoology.

sexual receptiveness in animals, especially females.
the period or duration of such receptiveness: to be in heat.

verb (used with object)

to make hot or warm (often followed by up).

to excite emotionally; inflame or rouse with passion.

verb (used without object)

to become hot or warm (often followed by up).

to become excited emotionally.

Verb Phrases

heat up, to increase or become more active or intense: Business competition will heat up toward the end of the year.

Nearby words

Origin of heat

before 900; Middle English hete, Old English hǣtu; akin to German Hitze; see hot

SYNONYMS FOR heat

2. hotness, warmth. 3. caloricity. 11. ardor, fervor, zeal, flush, fever, excitement, impetuosity. 22. stimulate, warm, stir, animate.

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ANTONYMS FOR heat

1. coolness. 11. indifference. 21. cool.

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Related forms

heat·a·ble, adjectiveheat·ful, adjectiveheat·less, adjectiveheat·like, adjective

re·heat, verbre·heat·a·ble, adjectiveself-heat·ing, adjectiveun·der·heat, verb (used with object)un·heat·a·ble, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for heat

Remove from heat and stir in the walnuts, rum, powdered sugar, and salt until fully incorporated.
Carla Hall’s Christmas Day Treat: Rum Balls|Carla Hall|December 25, 2014|DAILY BEAST
Heat the rum in a small skillet over medium until reduce by half.
Carla Hall’s Christmas Day Treat: Rum Balls|Carla Hall|December 25, 2014|DAILY BEAST
Turn the heat down to 325°F and continue cooking until internal temperature reads 140°F on a thermometer.
Make Carla Hall’s Roasted Pork Loin With Cranberries|Carla Hall|December 24, 2014|DAILY BEAST
While the pork is resting, heat a large, heavy-bottomed pan over medium-high heat.
Make Carla Hall’s Roasted Pork Loin With Cranberries|Carla Hall|December 24, 2014|DAILY BEAST

Heat a large sauté pan over medium-high heat and add olive oil.
Make Carla Hall’s Roasted Pork Loin With Cranberries|Carla Hall|December 24, 2014|DAILY BEAST
Let stand until morning in a warm place or in a covered bread pan well wrapped to retain the heat.
Civic League Cook Book|Anonymous
They live only in the library, as the rest is so enormous to light and heat.
Letters of a Diplomat's Wife|Mary King Waddington
Prior to the development of a quittor there is always swelling at the coronet, accompanied with heat and pain.
Special Report on Diseases of the Horse|United States Department of Agriculture
It is from the sun of the natural world, and its heat and light.
The Delights of Wisdom Pertaining to Conjugial Love|Emanuel Swedenborg
Along the coast of Algeria the heat is tempered by the sea breeze.
The World and Its People: Book VII|Anna B. Badlam

British Dictionary definitions for heat

heat

/ (hiːt) /

noun

the energy transferred as a result of a difference in temperature
the random kinetic energy of the atoms, molecules, or ions in a substance or body

Related adjectives: thermal, calorific

the sensation caused in the body by heat energy; warmth

the state or quality of being hot

hot weatherthe heat of summer

intensity of feeling; passionthe heat of rage

pressurethe political heat on the government over the economy

the most intense or active partthe heat of the battle

a period or condition of sexual excitement in female mammals that occurs at oestrus

sport

a preliminary eliminating contest in a competition
a single section of a contest

slang police activity after a crimethe heat is off

mainly US slang criticism or abusehe took a lot of heat for that mistake

in the heat of the moment without pausing to think

on heat or in heat

Also: in season (of some female mammals) sexually receptive
in a state of sexual excitement

the heat slang the police

turn up the heat or turn on the heat informal to increase the intensity of activity, coercion, etc

verb

to make or become hot or warm

to make or become excited or intense

Derived Formsheatless, adjective

Word Origin for heat

Old English hǣtu; related to hāt hot, Old Frisian hēte heat, Old High German heizī

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for heat

heat

[ hēt ]

n.

A form of energy associated with the motion of atoms or molecules and capable of being transmitted through solid and fluid media by conduction, through fluid media by convection, and through empty space by radiation.

The sensation or perception of such energy as warmth or hotness.

An abnormally high bodily temperature, as from a fever.

Estrus.

Science definitions for heat

heat

[ hēt ]

Internal energy that is transferred to a physical system from outside the system because of a difference in temperature and does not result in work done by the system on its surroundings. Absorption of energy by a system as heat takes the form of increased kinetic energy of its molecules, thus resulting in an increase in temperature of the system. Heat is transferred from one system to another in the direction of higher to lower temperature. See also thermodynamics. See Note at temperature.

See estrus.

Culture definitions for heat

heat

In physics, a form of energy associated with the movement of atoms and molecules in any material. The higher the temperature of a material, the faster the atoms are moving, and hence the greater the amount of energy present as heat. (See infrared radiation.)

Idioms and Phrases with heat

heat

In addition to the idioms beginning with heat

heat up

also see:

dead heat
in heat
in the heat of the moment
turn up the heat

heat

noun

verb (used with object)

verb (used without object)

Verb Phrases

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Origin of heat

Examples from the Web for heat

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verb

Word Origin for heat

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