heat

verb
\ˈhēt \
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 \ adjective

Noun

heatless \ˈhēt-ləs \ adjective
heatproof \ˈhēt-ˌprüf \ adjective

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 printed part is heated in a process called sintering that solidifies the metal powder while dissolving layers of removable material. Hiawatha Bray, BostonGlobe.com, "3D printing companies clash in federal court," 13 July 2018 Aluminum boats heat up like a microwave in the sun. Jordan Rodriguez, idahostatesman, "How to beat the heat on your fishing trips in Idaho’s summer sun," 12 July 2018 The battle for control of European pay-TV giant Sky SKYAY -0.36% PLC heated up Wednesday, with 21st Century Fox FOX 0.32% raising its bid and cable company Comcast Corp. Ben Dummett, WSJ, "Comcast Raises Sky Offer After Fox Sweetened Its Bid," 12 July 2018 In asphalt operations, the sand and gravel, called aggregate, is heated into a mix with liquid asphalt. Lily Altavena, azcentral, "Controversy in the air as Mesa homeowners decry neighboring asphalt plant’s odors," 11 July 2018 Lawsuit, restraining order And things could get heated. Annysa Johnson, Milwaukee Journal Sentinel, "A Northwoods Wisconsin school board member started asking questions. Then things got ugly," 11 July 2018 The land mass heats up around those communities and there is no relief from a coastal breeze. Kevin Spear, OrlandoSentinel.com, "Orlando could sizzle this week with hottest weather of the year," 11 July 2018 Using a microwave, or an outdoor grill, won’t heat up your kitchen. Leah Napoliello, Houston Chronicle, "BBB on Homes: Set your sights on summertime energy savings," 8 July 2018 While the temperature has been heating up across the eastern states over the past week to ten days, so too has action in the tropics. Gary Lessor, courant.com, "Tropical Storm In Caribbean, High Temperatures In Connecticut," 7 July 2018

Recent Examples on the Web: Noun

All three summers also logged triple-digit heat — four days in 1953 and one in both 1954 and 1955. Tom Skilling, chicagotribune.com, "Ask Tom: Were 3 consecutive summers in the 1950s the city's hottest?," 14 July 2018 Johnson had an eagle on the par-5 fourth hole to cap a comeback, finishing with a 2-under 71 in the sweltering heat at Chicago Golf Club. BostonGlobe.com, "Robert Rock takes two-shot lead at Scottish Open," 14 July 2018 In Windsor, the sweltering heat did not discourage a good number of protesters from turning out, and soon enough High Street filled up. Ceylan Yeginsu, New York Times, "London’s ‘Trump Baby’ Balloon Flies as Protests Take Off Across U.K.," 13 July 2018 Buchholz was expected to go another inning, but the club cut it short because of the heat. Nick Piecoro, azcentral, "Diamondbacks' Torey Lovullo: Initial update on Shelby Miller’s elbow positive," 13 July 2018 Cook over medium heat while stirring and bring to a boil. Judy Buchenot, Naperville Sun, "Suburban Cooks: Mints go from trash to treasured cookies," 13 July 2018 In addition to the text messages, the Judicial Crisis Network is putting the heat on Donnelly through advertising. Maureen Groppe, USA TODAY, "How unsolicited text messages were sent to Hoosiers to put pressure on Sen. Joe Donnelly," 13 July 2018 Badgers aside, Birkin—who was marching with her daughter and her grandson—seemed to have the same goal as everyone else who’d assembled in the uncharacteristic London heat. Sophie Gilbert, The Atlantic, "A Very British Protest," 13 July 2018 In addition to the text messages, the Judicial Crisis Network is putting the heat on Donnelly through advertising. Maureen Groppe, Indianapolis Star, "How unsolicited text messages were sent to Hoosiers to put pressure on Sen. Joe Donnelly," 13 July 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, from Old English hǣtan; akin to Old English hāt hot

Noun

Middle English hete, from Old English hǣte, hǣtu; akin to Old English hāt hot

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Statistics for heat

Last Updated

8 Oct 2018

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 \
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 \

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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Comments on heat

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