Yahoo Web Search

Search results

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

   • H

     4

   • E

     1

   • A

     1

   • T

     1

   Powered by Oxford Dictionaries

   More definitions, origin and scrabble points

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

   www.britannica.com › science › heat

   • Cached

   2 days ago · Heat is energy that is transferred from one body to another as a result of a difference in temperature. Learn about the types, units, and modes of heat, and how it relates to temperature and phase changes.

   • Author: The Editors of Encyclopaedia Britannica

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

   en.wikipedia.org › wiki › Heat

   • Cached

   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.

4. Videos

   • 

     5:23

     youtube.com

     What is Heat? A brief introduction at the particle level.

     8 Sep 2018

     269.1K views

   • 

     1:52

     youtube.com

     Sources of Heat

     23 Oct 2020

     206.1K views

   • 

     5:18

     youtube.com

     What is heat | Conduction | Convection | Radiation | Science for Kids

     23 Nov 2020

     92.6K views

   View all

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

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

   • Cached

   Mar 6, 2024 · Heat is the thermal energy transfer between systems or bodies due to a temperature difference. Learn how to calculate heat and enthalpy, and how they relate to entropy and thermodynamics.

6. byjus.com › physics › heat-introduction-classificationWhat Is Heat? - Definition, Classification, Difference Between...

   byjus.com › physics › heat-introduction-classification

   • Cached

   Learn what is heat, how it is transferred, and how it differs from temperature. Explore the sources, mechanisms, and examples of heat with BYJU'S Physics articles and videos.

   • Video Duration: 140 min

   • Temperature is the measure of hotness or coldness of the body.
   • Following are the sources of heat: Sun Chemical Electrical Nuclear
   • Heat is classified into: Hot Cold

7. Images

   • 
   • 
   • 
   • 

   View all

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

   www.explainthatstuff.com › heat

   • Cached

   Mar 24, 2022 · Learn what heat is, how it relates to temperature, and how it moves around the world. Explore the kinetic theory of matter, absolute zero, and the difference between conduction, convection, and radiation.

9. www.physicsclassroom.com › class › thermalPWhat is Heat? - The Physics Classroom Tutorial

   www.physicsclassroom.com › class › thermalP

   • Cached

   A measure of the warmth or coldness of an object or substance with reference to some standard value. A measure of the average kinetic energy of the particles in a sample of matter, expressed in terms of units or degrees designated on a standard scale.

10. www.sciencelearn.org.nz › resources › 750-heat-energyHeat energy — Science Learning Hub

    www.sciencelearn.org.nz › resources › 750-heat-energy

    • Cached

    Learn how heat is the flow of energy from a warm object to a cooler object, and how it is related to the movement of particles in matter. Explore the three ways of transferring heat (convection, conduction and radiation) and the effect of heat on matter (expansion and pressure).