(physics) The state of a thermodynamic system having reached a maximum entropy; temperature is uniform throughout, and no energy is available to do work.

(transitive) To enclose (something) in plastic wrapping and make an airtight seal by applying heat to fuse the edges of the wrapping together.

The heating of an electrically insulating material by a rapidly fluctuating electric field

A device that transfers thermal energy between spaces, usually between an enclosed space and the outdoors.

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

(thermodynamics) An object, system or environment that absorbs and dissipates heat from objects in thermal contact (either direct or radiant) with it.

A system for distributing heat generated in a centralized location for residential and commercial heating requirements.

plural of heat engine

plural of heat detector

A device that detects heat and sounds an alarm.