Thermal-equilibrium
noun, Thermodynamics.
1.
the relationship between two systems connected only by a diathermic wall.
2.
the relationship between two isolated systems the states of which are such that no net transfer of energy would occur between them if they were connected by a diathermic wall.
thermal equilibrium
The condition under which two substances in physical contact with each other exchange no heat energy. Two substances in thermal equilibrium are said to be at the same temperature. See also thermodynamics.
thermal equilibrium definition
In physics and chemistry, a condition in which all parts of a system are at the same temperature.
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[thurm-al-jee-zee-uh, -see-uh] /ˌθɜrm ælˈdʒi zi ə, -si ə/ noun, Medicine/Medical. 1. pain caused by heat. thermalgesia therm·al·ge·si·a (thûr’məl-jē’zē-ə, -zhə) n. Extreme sensitivity to warmth or heat.
- Thermalgia
thermalgia ther·mal·gi·a (thər-māl’jē-ə, -jə) n. Burning pain.
- Thermalize
verb 1. (physics) to undergo or cause to undergo a process in which neutrons lose energy in a moderator and become thermal neutrons
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noun 1. a baggage-screening device that detects explosives by using low-energy neutrons to sense gamma radiation.
- Thermal-noise
noun, Thermodynamics, Electricity. 1. a wide spectrum of electromagnetic noise appearing in electronic circuits and devices as a result of the temperature-dependent random motions of electrons and other charge carriers. thermal noise noun 1. electrical noise caused by thermal agitation of conducting electrons