thermal efficiency

noun Thermodynamics.

the ratio of the work output of a heat engine to the heat input expressed in the same units of energy.

Origin of thermal efficiency

First recorded in 1905–10

Words nearby thermal efficiency

thermal barrier, thermal capacity, thermal conductance, thermal conductivity, thermal diffusion, thermal efficiency, thermal equator, thermal equilibrium, thermal imaging, thermal neutron, thermal neutron analyzer

British Dictionary definitions for thermal efficiency

thermal efficiency

noun

the ratio of the work done by a heat engine to the energy supplied to it Compare efficiency