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

Synonyms: Noun

Antonyms: Verb

Antonyms: Noun

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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 The amenities include a hot tub on the main living balcony, a saltwater and heated pool, a media room, two kitchens and numerous large balconies. Kathy Jumper, al, "Beach house sells for big bucks," 5 Jan. 2020 Features include an elegant chef's kitchen, master suite with sitting room, his and hers bathrooms and walk-in closet, a 2001 carriage house with a second floor apartment, heated pool and outdoor fireplace. Dana Burke, Houston Chronicle, "Listed: River Oaks landmark blends 1920s history with modern luxe," 2 Jan. 2020 The company argues that heating tobacco — rather than burning it — results in fewer toxic byproducts for users. Washington Post, "Insider Q&A: Philip Morris pitches “smoke-free” cigarette," 22 Dec. 2019 The magnetic field lines on the sun are invisible, but they're also impacted by the super-heated charged particles of plasma nearby. Ashley Strickland, CNN, "New type of explosion spotted on sun's surface," 18 Dec. 2019 Birch pitch is a substance made by heating birch bark. Fox News, "Face of Stone Age woman revealed thanks to DNA from Neolithic 5,700-year-old 'chewing gum'," 18 Dec. 2019 There’s the changing climate, which could be giving the mussels heat stress. Carrie Arnold, National Geographic, "A freshwater mussel apocalypse is underway—and no one knows why.," 16 Dec. 2019 Hydronic baseboard heat is an efficient, quiet, and relatively affordable way to heat a home. Timothy Dahl, Popular Mechanics, "Why Baseboard Heaters Are So Common in Old Homes," 7 Dec. 2019 And a pellet stove, which gives us a nearly carbon-neutral way to heat our home. Monitor Staff, The Christian Science Monitor, "What can you do about climate change? A chat with Monitor reporters.," 4 Dec. 2019 Recent Examples on the Web: Noun Two Wisconsin lawmakers — one black and one white — met last week to turn off the heat. Molly Beck, Milwaukee Journal Sentinel, "Black History Month resolution again stirs clash in Wisconsin Legislature," 13 Jan. 2020 The design language during Milan Fashion Week veered from androgyny to gender-less to hybrid — but always against a backdrop of unmistakable masculinity, just enough elements to turn the feminine heat up or down. Washington Post, "Milan designers hybridize menswear for next fall/winter," 13 Jan. 2020 For the fiery Leo there’s no better place to turn up the heat than Negril, Jamaica’s Hedonism II. Kimberly Wilson, Essence, "Where To Travel In 2020 Based On Your Zodiac Sign," 11 Jan. 2020 Error 0: However, Clear Springs (18-6, 2-0) turned up the defensive heat in the second half, limiting Brook to just three field goals in pulling away to the win. Ted Dunnam, Houston Chronicle, "Girls’ basketball: Second-half surge lifts Clear Springs past Clear Brook," 3 Jan. 2020 The Dyson Supersonic hairdryer is meant to prevent damage to your hair from excess heat. Popular Science, "Effective hair products for your everyday routine," 26 Dec. 2019 Remove from heat and set aside on paper towel to drain. Susan Selasky, Detroit Free Press, "Breakfast casseroles: Here’s why they are ideal for Christmas morning," 21 Dec. 2019 O’Conner is happy to have Congress turn up the heat on MLB. BostonGlobe.com, "That’s not to say the sides have progress to report, or even a date for more negotiations on a Professional Baseball Agreement that expires next September — the sides remain firmly entrenched when it comes to MLB’s plan to strip affiliation from 42 ballclubs around the country.," 11 Dec. 2019 And as prosecutors turn up the heat on a multi-million dollar sanctions evasion scheme involving Turkey and Iran, national security experts fear that Erdogan will use his influence with Trump to ask for protection. Petra Cahill, NBC News, "Public impeachment hearings Day 1, Turkey's Erdogan visits the White House, and a new Sexiest Man Alive: The Morning Rundown," 13 Nov. 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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Time Traveler for heat

Time Traveler

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

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Statistics for heat

Last Updated

15 Jan 2020

Cite this Entry

“Heat.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/heating. Accessed 17 January 2020.

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More Definitions for heat

heat

verb
How to pronounce heat (audio)

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

Thesaurus: All synonyms and antonyms for heat

Rhyming Dictionary: Words that rhyme with 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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