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- Dictionaryheat/hiːt/
noun
- 1. the quality of being hot; high temperature: "the fierce heat of the sun" Similar Opposite
- 2. intensity of feeling, especially of anger or excitement: "conciliation services are designed to take the heat out of disputes" Similar Opposite
verb
- 1. make or become hot or warm: "the room faces north and is difficult to heat" Similar Opposite
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As per the definition of heat, it is defined as the flow of energy from a warm to a cooler object. The direction of flow of the heat energy takes from the substance of higher temperature to the substance of lower temperature.
Mar 6, 2024 · 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.
James Clerk Maxwell in his 1871 Theory of Heat outlines four stipulations for the definition of heat: It is something which may be transferred from one body to another, according to the second law of thermodynamics. It is a measurable quantity, and so can be treated mathematically.
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 .
HEAT definition: 1. the quality of being hot or warm, or the temperature of something: 2. the system that keeps a…. Learn more.
Oct 25, 2024 · 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.
Aug 4, 2023 · Heat is what scientists call the form of energy that is transferred between two materials of different temperature. Temperature is a measure of average translational kinetic energy per molecule in a substance. Another quantity, internal energy, depends on temperature and number of molecules.
noun. a relatively high degree of warmth. Antonyms: coolness. the condition or quality of being hot: The heat of the oven will caramelize the natural sugars in the vegetables, enhancing their flavor. Synonyms: hotness, warmth. the degree of hotness; temperature: Heat is measured with a thermometer.
Define heat as transfer of energy. In Work, Energy, and Energy Resources , we defined work as force times distance and learned that work done on an object changes its kinetic energy. We also saw in Temperature, Kinetic Theory, and the Gas Laws that temperature is proportional to the (average) kinetic energy of atoms and molecules.
Mar 24, 2022 · What is heat? An easy-to-understand explanation of heat, temperature, heat energy, and heat transfer by conduction, convection, and radiation
