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

(idiomatic) a close race or contest in which no winner is apparent

The heating of something at constant pressure.

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

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

Heating of rooms within buildings.

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

(thermodynamics) Any device which converts heat energy into mechanical work, by moving heat from a source to a sink.

A shimmering atmospheric disturbance caused by currents of warm air between the observer and the object observed.

To encounter an uncomfortable situation.