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

Step 3: The kombucha is heated to 104 degrees, then passed through a spinning cone column (SCC). Popular Mechanics Editors, Popular Mechanics, "How To Make Gasoline From Tea," 15 May 2019 The saltwater in their pool was changed twice daily and permanently heated to 90 degrees—something their Palm Beach neighbor and friend John F. Kennedy found to be a boon for his bad back. Hamish Bowles, Vogue, "Hamish Bowles Remembers Jayne Wrightsman, Esteemed Arts Connoisseur and Legendary Hostess," 24 Apr. 2019 Getty Images Things heated up at Coachella Friday night for Kristen Stewart and Sara Dinkin. Marie Claire, "Kristen Stewart and Sara Dinkin Engage in Steamy PDA at Coachella," 14 Apr. 2019 The flashbacks have been triggered by Britain’s heated debate over leaving the European Union, which has brought division, strife and fear of foreigners. Danica Kirka, The Seattle Times, "Brexhaustion: Long, grinding Brexit is stressing people out," 12 Apr. 2019 Cover with foil and bake until heated through, 12 to 15 minutes. Woman's Day Kitchen, Woman's Day, "Cheesy Baked Spinach and Feta Casserole," 7 Mar. 2019 Solar thermal systems direct concentrated sunlight to a central tower to heat molten salt, which can store that heat for a long time before it's used. Megan Geuss, Ars Technica, "Using molten salt to store electricity isn’t just for solar thermal plants," 24 Dec. 2018 In a concentrated solar power plant, large arrays of mirrors reflect sunlight onto a single tower, heating the fluid inside it. David Roberts, Vox, "The Green New Deal, explained," 21 Dec. 2018 The listing also has its own equestrian barn, a separate rustic cabin for camping, a four-bay garage, and heated pool. Megan Barber, Curbed, "Picture-perfect 1880 estate on 60 acres asks $3.9M," 20 Dec. 2018

Recent Examples on the Web: Noun

Miley Cyrus and Liam Hemsworth have arrived to turn up the heat on the Met Gala red carpet. Erica Gonzales, Harper's BAZAAR, "Miley Cyrus and Liam Hemsworth Attend the Met Gala for the First Time as a Couple," 6 May 2019 Warm 2 tablespoons olive oil in a large saucepan over medium-high heat. Marley Marius, Vogue, "How to Throw a Spring Party, Four Seasons Restaurant-Style," 5 May 2019 Set over medium heat; stir until smooth and melted. Christine Clarridge, The Seattle Times, "It’s National Grilled Cheese Day. Enjoy these takes on the old classic.," 12 Apr. 2019 In a small saucepan, melt the butter over medium-high heat. Ashley Rodriguez, Woman's Day, "Salted Chocolate Chip Cookie Bars," 10 Apr. 2019 Set a medium pot filled with salted water over high heat and bring to a boil. Kitty Greenwald, WSJ, "How to Cold-Weather-Proof a Niçoise Salad," 22 Feb. 2019 This week, two new developments turned up the heat even more. Sean O'kane, The Verge, "Faraday Future CEO’s long trail of debt is finally catching up to him," 8 Dec. 2018 Well, maybe not so whimsical after Meghan Markle and Prince Harry announced their engagement—that only turned the heat up for A Christmas Prince. Christopher Rosa, Glamour, "Rose McIver Says She Was Inspired by Meghan Markle While Making the Christmas Prince Sequel," 30 Nov. 2018 If your oven catches on fire, keep the door closed, turn off the heat immediately, and call 911. Sienna Fantozzi, House Beautiful, "This Is Exactly How To Put Out A Grease Fire," 22 Nov. 2018

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

21 May 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

Comments on heat

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