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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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What is heat is defined as the degree of hotness or coldness of a given body. The other way of defining heat is the ability of a substance to transfer heat energy from one substance to another.
v. t. e. In thermodynamics, heat is the thermal energy transferred between systems due to a temperature difference. [1] In colloquial use, heat sometimes refers to thermal energy itself. Thermal energy is the kinetic energy of vibrating and colliding atoms in a substance.
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.
Jul 14, 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.
the quality of being hot or warm, or the temperature of something: the heat of the sun / fire. How do you manage to work in this heat without air conditioning? She always wore a coat, even in the heat of summer. on a high heat Cook the meat on a high heat (= at a high temperature).
: 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. heatable. ˈhē-tə-bəl. adjective. heat.
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.
a. A form of energy associated with the kinetic energy of atoms or molecules and capable of being transmitted through solid and fluid media by conduction, through fluid media by convection, and through empty space by radiation. b. The transfer of energy from one body to another as a result of a difference in temperature or a change in phase. 2.
noun. 1. the quality of being hot; hotness: in physics, heat is considered a form of energy existing as the result of the random motion of molecules and is the form of energy that is transferred between bodies as a result of their temperature difference. 2. a.
Scientists define heat as thermal energy transferred between two systems at different temperatures that come in contact. Heat is written with the symbol q or Q , and it has units of Joules ( J ).
