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.

plural of humid heat

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

(thermodynamics) An obsolete term for specific heat capacity.

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

(idiomatic) A period of exceptionally hot weather. / (US, weather broadcasting) Three consecutive days with daytime high temperature of 90 degrees Fahrenheit or higher.

To encounter an uncomfortable situation.

(informal) To take the blame; to be the focus of anger or scrutiny; to take the consequences.

(physics) the heat that is released or absorbed accompanying a change of state or of phase