heat exhaustion
- n a condition marked by dizziness and nausea and weakness caused by depletion of body fluids and electrolytes
heat flash
- n a flash of intense heat (as released by an atomic explosion)
heat
- n a form of energy that is transferred by a difference in temperature
- n the presence of heat
- n the sensation caused by heat energy
- n the trait of being intensely emotional
- n applies to nonhuman mammals: a state or period of heightened sexual arousal and activity
- n a preliminary race in which the winner advances to a more important race
- n utility to warm a building
the heating system wasn't working
they have radiant heating - v make hot or hotter
the sun heats the oceans
heat the water on the stove - v provide with heat
heat the house - v arouse or excite feelings and passions
- v gain heat or get hot
The room heated up quickly
heat-seeking missile
- n a missile with a guidance system that directs it toward targets emitting infrared radiation (as the emissions of a jet engine)
heat barrier
- n a limit to high speed flight imposed by aerodynamic heating
heat content
- n (thermodynamics) a thermodynamic quantity equal to the internal energy of a system plus the product of its volume and pressure
heat energy
- n a form of energy that is transferred by a difference in temperature
heat exchanger
- n device that transfers heat from one liquid to another without allowing them to mix
heat lamp
- n electric heater consisting of a high-power incandescent lamp that emits infrared radiation