A device that transfers energy as heat from a hotter source to a colder heat sink or heat exchanger.

Heat produced by the passage of an electric current through a conductor.

Synonym of Joule heat

Alternative spelling of heat-resistant

Any area, populated or not, which is consistently hotter than the surrounding area. / Ellipsis of urban heat island..

heat generated by the fermentation of tan bark waste; generally used in horticulture as a source of bottom heat for potted plants in greenhouses; the application of tan heat to greenhouse plants, mainly during the 18-19th century.

(horticulture) heat supplied from below to the roots or rooting medium of plants under propagation, usually in hothouses or greenhouses

(physics) The capability of a system to absorb heat energy; the amount of thermal energy required to raise the temperature of a system by one temperature unit without any change of phase.

the heat capacity (specific heat) of humid air, expressed per unit mass of dry air in the mixture. The engineering symbol is cₛ.

plural of humid heat