Thermal-diffusion
noun, Physical Chemistry.
1.
the separation of constituents, often isotopes, of a fluid under the influence of a temperature gradient.
Read Also:
- Thermal-efficiency
noun, Thermodynamics. 1. the ratio of the work output of a heat engine to the heat input expressed in the same units of energy. thermal efficiency noun 1. the ratio of the work done by a heat engine to the energy supplied to it Compare efficiency noun in thermodynamics, the amount of work done by […]
- Thermal equator
noun 1. an imaginary line round the earth running through the point on each meridian with the highest average temperature. It lies mainly to the north because of the larger landmasses and therefore greater summer heating
- 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 […]
- Thermalgesia
[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.