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1. Dictionary

   heat

   /hiːt/

   noun

   • 1. the quality of being hot; high temperature: "the fierce heat of the sun" Similar hotnesswarmthwarmnesshigh temperaturefeverfeverishnessrare:calefactionOpposite cold
   • ▪ heat seen as a form of energy arising from the random motion of the molecules of bodies, which may be transferred by conduction, convection, or radiation.
   • ▪ hot weather conditions: "the oppressive heat was making both men sweat" Similar hot weatherhotnesswarm weatherwarmthwarmnesssultrinessclosenessmugginesshumidityswelterheatwavehot spellliterary:dog daysrare:torridnesstorridityOpposite cold weather
   • ▪ a source or level of heat for cooking: "remove from the heat and beat in the butter"
   • ▪ a spicy quality in food that produces a burning sensation in the mouth: "chilli peppers add taste and heat to food"
   • ▪ the amount of heat that is needed to cause a specific process or is evolved in such a process: technical "the heat of formation"
   • ▪ a single operation of heating something, especially metal in a furnace: technical "about 100 tons is removed in each heat"
   • 2. intensity of feeling, especially of anger or excitement: "conciliation services are designed to take the heat out of disputes" Similar passionintensity of feelingardourfervourvehemencewarmthintensityanimationearnestnesseagernessenthusiasmexcitementagitationangerfuryviolencerare:fervencyardencypassionatenessOpposite apathy
   • ▪ intensive and unwelcome pressure or criticism, especially from the authorities: informal "a flurry of legal proceedings turned up the heat in the dispute"
   • 3. a preliminary round in a race or contest: "winners of the regional heats"

   verb

   • 1. make or become hot or warm: "the room faces north and is difficult to heat" Similar warmwarm upheat upmake hotmake warmraise something's temperaturetake the chill offreheatcookboilbakeroasttoaststewfrygrillinformal:hothot upbecome hotbecome warmgrow hotgrow warmbecome hotterbecome warmerget hotterget warmerincrease in temperaturerise in temperatureinformal:hot upOpposite coolcool down
   • ▪ (of a person) become excited or impassioned: "he seemed to calm down as quickly as he had heated up"
   • ▪ become more intense and exciting: "the action really begins to heat up" Similar become impassionedbecome excitedbecome animatedgrow passionategrow vehementget angrybecome enragedget annoyedOpposite calm down
   • ▪ inflame; excite: "this discourse had heated them" Similar become impassionedbecome excitedbecome animatedgrow passionategrow vehementget angrybecome enragedget annoyedOpposite calm down

   Word Origin Old Englishhǣtu (noun), hǣtan (verb), of Germanic origin; related to Dutch hitte (noun) and German heizen (verb), also to hot.

   Scrabble Points: 7

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     4

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2. www.merriam-webster.com › dictionary › heatHeat Definition & Meaning - Merriam-Webster

   www.merriam-webster.com › dictionary › heat

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   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)

3. sciencenotes.org › what-is-heat-definition-and-formulaWhat Is Heat? Definition and Formulas - Science Notes and...

   sciencenotes.org › what-is-heat-definition-and-formula

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   Mar 6, 2024 · Heat Definition. Heat is the thermal energy transfer between systems or bodies due to a temperature difference. Thermal energy, in turn, is the kinetic energy of vibrating and colliding particles. Heat occurs spontaneously from a hotter body to a colder one.

4. en.wikipedia.org › wiki › HeatHeat - Wikipedia

   en.wikipedia.org › wiki › Heat

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   Heat, is a very brisk agitation of the insensible parts of the object, which produces in us that sensation from whence we denominate the object hot; so what in our sensation is heat, in the object is nothing but motion.

5. www.britannica.com › science › heatHeat | Definition & Facts | Britannica

   www.britannica.com › science › heat

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   4 days ago · heat, energy that is transferred from one body to another as the result of a difference in temperature. If two bodies at different temperatures are brought together, energy is transferred—i.e., heat flows—from the hotter body to the colder.

6. dictionary.cambridge.org › dictionary › englishHEAT | English meaning - Cambridge Dictionary

   dictionary.cambridge.org › dictionary › english

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   HEAT definition: 1. the quality of being hot or warm, or the temperature of something: 2. the system that keeps a…. Learn more.

7. www.dictionary.com › browse › heatHEAT Definition & Meaning | Dictionary.com

   www.dictionary.com › browse › heat

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   a hot condition of the atmosphere or physical environment; hot season or weather: They go up north in the summer to escape the heat. 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.

8. dictionary.cambridge.org › us › dictionaryHEAT | definition in the Cambridge English Dictionary

   dictionary.cambridge.org › us › dictionary

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   HEAT meaning: 1. the quality of being hot or warm, or the temperature of something: 2. the system that keeps a…. Learn more.

9. www.collinsdictionary.com › dictionary › englishHEAT definition and meaning | Collins English Dictionary

   www.collinsdictionary.com › dictionary › english

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   noun. 1. a. the energy transferred as a result of a difference in temperature. b. the random kinetic energy of the atoms, molecules, or ions in a substance or body. Related adjectives: thermal, calorific. 2. the sensation caused in the body by heat energy; warmth.

10. www.britannica.com › dictionary › heatHeat Definition & Meaning | Britannica Dictionary

    www.britannica.com › dictionary › heat

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    Britannica Dictionary definition of HEAT. 1. [noncount] : energy that causes things to become warmer. The sun's heat melted the snow. the intense heat of a fire. She applied heat to the sore muscles in her leg. body heat. 2. [noncount] : hot weather or temperatures. a period of high heat and humidity.

11. www.explainthatstuff.com › heatHeat - A simple introduction to the science of heat energy

    www.explainthatstuff.com › heat

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    Mar 24, 2022 · What is heat? An easy-to-understand explanation of heat, temperature, heat energy, and heat transfer by conduction, convection, and radiation