heat

verb
\ ˈhēt How to pronounce heat (audio) \
heated; heating; heats

Definition of heat

 (Entry 1 of 2)

intransitive verb

1 : to become warm or hot water heating in a kettle
2 : to start to spoil from heat

transitive verb

1 : to make warm or hot heat a can of soup heat the oven to 350 degrees
2 : excite were heated by his stirring words

heat

noun

Definition of heat (Entry 2 of 2)

1a(1) : a condition of being hot : warmth snow melting in the heat of the sun
(2) : a marked or notable degree of hotness The heat was intense.
b : pathological excessive bodily temperature the heat of the fever
c : a hot place or situation get out of the heat
d(1) : a period of heat an unbroken heat
(2) : a single complete operation of making something warm or hot also : the quantity of material so heated
e(1) physics : added energy that causes substances to rise in temperature, fuse, evaporate, expand, or undergo any of various other related changes, that flows to a body by contact with or radiation from bodies at higher temperatures, and that can be produced in a body (as by compression)
(2) physics : the energy associated with the random motions of the molecules, atoms, or smaller structural units of which matter is composed
f : appearance, condition, or color of something as indicating its temperature when the rod is at the proper welding heat
2a : intensity of feeling or reaction : passion answered with considerable heat
b : the height or stress of an action or condition in the heat of battle
c : sexual excitement especially in a female mammal like an animal in heat specifically : estrus
3 : a single continuous effort: such as
a : a single round of a contest (such as a race) having two or more rounds for each contestant won two heats out of three
b : one of several preliminary contests held to eliminate less competent contenders won the second heat but finished third in the final race
4 : pungency of flavor Add some cayenne pepper for extra heat.

5a slang

(1) : the intensification of law-enforcement activity or investigation waited until the heat was off
(2) : police
b : pressure, coercion turn up the heat on your congressperson
c : abuse, criticism took heat for her mistakes
6 baseball : smoke sense 8 throwing some heat
7 slang : gun sense 1b was packing heat

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Other Words from heat

Verb

heatable \ ˈhē-​tə-​bəl How to pronounce heatable (audio) \ adjective

Noun

heatless \ ˈhēt-​ləs How to pronounce heatless (audio) \ adjective
heatproof \ ˈhēt-​ˌprüf How to pronounce heatproof (audio) \ adjective

Synonyms & Antonyms for heat

Synonyms: Verb

hot (up) [chiefly Southern, southern Midland, & British], toast, warm

Synonyms: Noun

ardency, ardor, emotion, enthusiasm, fervency, fervidness, fervor, fire, intenseness, intensity, passion, passionateness, vehemence, violence, warmth, white heat

Antonyms: Verb

chill, cool, refrigerate

Antonyms: Noun

impassiveness, impassivity, insensibility, insensibleness, insensitiveness, insensitivity

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Examples of heat in a Sentence

Verb

I heated the vegetables in the microwave. They heat their house with a wood stove.

Noun

The sun's heat melted the snow. the intense heat of a fire She applied heat to the sore muscles in her leg. a period of high heat and humidity The crops were damaged by drought and extreme heat. Cook the milk over low heat. Remove the pan from the heat.
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Recent Examples on the Web: Verb

On Sunday, at the Tennessee Titans’ home opener game against the Indianapolis Colts, things started to heat up before the first kickoff when an actual fire broke out. Claudia Harmata, PEOPLE.com, "The Tennessee Titans Literally Lit Up the Field at Their Home Opener," 16 Sep. 2019 Congress would likely have to take the matter up by the end of the year, before the 2020 election cycle really starts to heat up. Christal Hayes, USA TODAY, "It's been a month. Here's what Congress is set to do when they come back to D.C.," 9 Sep. 2019 Things seem to be heating up in Kristen Stewart's love life. Chelsey Sanchez, Harper's BAZAAR, "Get to Know Dylan Meyer, Kristen Stewart's Rumored New Girlfriend," 9 Sep. 2019 The devices are used to heat up flavored liquid, usually containing nicotine, so users can inhale the vapor. Kate Thayer, chicagotribune.com, "Sen. Dick Durbin says FDA should strengthen regulation of vaping industry — or the head of the FDA should resign," 9 Sep. 2019 Fried started to heat up with the strikeouts over the previous month. Chris Wassel, USA TODAY Sportsbook Wire, "Washington Nationals at Atlanta Braves odds, predictions, picks and best bets," 5 Sep. 2019 The debate is likely to heat up once again — and not just because Bridenstine has weighed in. NBC News, "Is Pluto a planet or a dwarf planet? NASA chief picks sides in emotional debate," 29 Aug. 2019 The steamy song, which is former President Barack Obama approved, has been heating up the charts, and the duo have apparently started some IRL romance of their own. Lauren Rearick, Teen Vogue, "Shawn Mendes and Camila Cabello Performed "Señorita" at the MTV VMAs 2019," 27 Aug. 2019 The magnets are also used, along with radiofrequency and microwaves, to heat the plasma by exciting the ions. Giulia Pacchioni, Scientific American, "The Road to Fusion," 26 Aug. 2019

Recent Examples on the Web: Noun

At 240 degrees, remove the piloncillo from the heat, reduce mixer speed to medium and pour the piloncillo into the whipping egg whites. Tara Duggan, SFChronicle.com, "Recipe: Outerlands’ Toasted Coconut Tres Leches Cake," 13 Sep. 2019 Remove pot from heat, stir in heavy cream and puree soup with immersion blender or food processor until smooth. The Good Housekeeping Test Kitchen, Good Housekeeping, "Keto Cauliflower Soup," 11 Sep. 2019 Daytime kickoffs have been a hot topic since Saturday’s 62-10 win over New Mexico State, played with temperatures in the mid-90s and a heat index over 100. Mike Rodak | Mrodak@al.com, al, "Alabama president, AD ‘disappointed’ about Tide’s latest daytime kickoff," 9 Sep. 2019 The remainder of the seven-day forecast offers relief from the heat, as forecasters expect daily highs in Portland to stay in the 80s and high 70s through Labor Day. oregonlive.com, "Portland metro Tuesday weather: Expect mid-90s heat, sunny skies," 27 Aug. 2019 These days, companies like VMware, which is part of the Dell Technologies family of enterprise firms, are trying to distance themselves from the heat. Jonathan Vanian, Fortune, "VMware CEO Pat Gelsinger: Bitcoin Is ‘Bad For Humanity’," 26 Aug. 2019 The heat index will be up around 105 to 110° Monday afternoon. Dallas News, "NBC5 Forecast: Heat Advisory Monday, heat relief arrives Tuesday," 25 Aug. 2019 Bring just to a boil; once the sugar has dissolved, remove from the heat. M. Carrie Allan, Twin Cities, "No alcohol, no problem: How to make complex, balanced zero-proof cocktails," 19 Aug. 2019 In theory, Hunter said, the heat itself could be beneficial, since sauna therapy has been shown to improve blood vessel dilation and blood pressure. Amy Norton, chicagotribune.com, "‘Hot’ yoga, hula dance your way to healthy blood pressure," 16 Sep. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'heat.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of heat

Verb

before the 12th century, in the meaning defined at intransitive sense 1

Noun

before the 12th century, in the meaning defined at sense 1a(1)

History and Etymology for heat

Verb

Middle English heten, going back to Old English hǣtan, going back to Germanic *haitjan- (whence also Middle Dutch hēten "to make warm," Old High German heizen, Old Norse heita "to make hot, brew"), derivative of *haita- "having a high temperature, burning" — more at hot entry 1

Noun

Middle English hete, going back to Old English hǣtu, going back to Germanic *haitīn- (whence also Old Frisian hēte "high temperature, heat," Old High German heizi), noun derivative from *haita- "having a high temperature, burning" — more at hot entry 1

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Statistics for heat

Last Updated

8 Oct 2019

Look-up Popularity

Time Traveler for heat

The first known use of heat was before the 12th century

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More Definitions for heat

heat

verb

English Language Learners Definition of heat

 (Entry 1 of 2)

: to cause (something) to become warm or hot

heat

noun

English Language Learners Definition of heat (Entry 2 of 2)

: energy that causes things to become warmer
: hot weather or temperatures
: the level of temperature that is used to cook something

heat

verb
\ ˈhēt How to pronounce heat (audio) \
heated; heating

Kids Definition of heat

 (Entry 1 of 2)

: to make or become warm or hot

heat

noun

Kids Definition of heat (Entry 2 of 2)

1 : a condition of being hot : warmth We enjoyed the heat of the fire.
2 : hot weather heat and humidity
3 : a form of energy that causes an object to rise in temperature
4 : strength of feeling or force of action In the heat of anger, I said some cruel things.
5 : a single race in a contest that includes two or more races
\ ˈhēt How to pronounce heat (audio) \

Medical Definition of heat

 (Entry 1 of 2)

: to become warm or hot

transitive verb

: to make warm or hot

heat

noun

Medical Definition of heat (Entry 2 of 2)

1a : the state of a body or of matter that is perceived as opposed to cold and is characterized by elevation of temperature : a condition of being hot especially : a marked or notable degree of this state : high temperature
b(1) : a feverish state of the body : pathological excessive bodily temperature (as from inflammation) knew the throbbing heat of an abscess the heat of the fever
(2) : a warm flushed condition of the body (as after exercise) : a sensation produced by or like that produced by contact with or approach to heated matter
c(1) : added energy that causes substances to rise in temperature, fuse, evaporate, expand, or undergo any of various other related changes, that flows to a body by contact with or radiation from bodies at higher temperatures, and that can be produced in a body (as by compression)
(2) : the energy associated with the random motions of the molecules, atoms, or smaller structural units of which matter is composed
2 : sexual excitement especially in a female mammal specifically : estrus

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More from Merriam-Webster on heat

Rhyming Dictionary: Words that rhyme with heat

Thesaurus: All synonyms and antonyms for heat

Spanish Central: Translation of heat

Nglish: Translation of heat for Spanish Speakers

Britannica English: Translation of heat for Arabic Speakers

Britannica.com: Encyclopedia article about heat

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