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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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1 day ago · Heat is energy that is transferred from one body to another as the result of a difference in temperature. Learn about the units, types, and modes of heat, and how heat relates to temperature and work.
- The Editors of Encyclopaedia Britannica
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.
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.
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.
- 140 min
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.
Heat energy is the result of the movement of tiny particles called atoms, molecules or ions in solids, liquids and gases. Heat energy can be transferred from one object to another. The transfer or flow due to the difference in temperature between the two objects is called heat.