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For other uses, see Heat (disambiguation). 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.
Learn the meaning of heat as a noun and a verb in English, with synonyms, antonyms, and idioms. Find out how heat is used in different contexts, such as temperature, energy, emotion, competition, and biology.
Heat is energy that is transferred from one body to another as the result of a difference in temperature. Learn about the types, units, and modes of heat, as well as the history and laws of heat transfer.
- The Editors of Encyclopaedia Britannica
6 days ago · Learn how heat exposure affects human health and what actions to take to cope with extreme heat events. Find out who is vulnerable, how heat impacts chronic conditions, and what public health guidance WHO provides.
Mar 6, 2024 · Learn what heat is, how it transfers, and how it relates to entropy and enthalpy. Find the symbol, units, sign convention, and formulas for heat in thermodynamics.
Feb 19, 2024 · Heat-induced illness can cause a person to become confused or lose consciousness. When working in the heat, monitor the condition of your co-workers and have someone do the same for you. If you are 65 years of age or older, have a friend or relative call to check on you twice a day during a heat wave.
Learn how heat is defined as thermal energy transferred between systems at different temperatures, and how to calculate heat using heat capacity. Explore the relationship between heat and temperature, and the zeroth law of thermodynamics.
