| gas heat | heating system that burns natural gas |
| heat engine | any engine that makes use of heat to do work |
| heat exchanger | device that transfers heat from one liquid to another without allowing them to mix |
heating system
heating plant
heating
heat | utility to warm a building, the heating system wasn't working, they have radiant heating |
heat lamp
infrared lamp | electric heater consisting of a high-power incandescent lamp that emits infrared radiation, the bathroom could be warmed by an infrared lamp |
| heat pump | apparatus that extracts heat from a liquid that is at a higher temperature than its surroundings, can be used to transfer heat from a reservoir outside in order to heat a building |
| heat-seeking missile | a missile with a guidance system that directs it toward targets emitting infrared radiation (as the emissions of a jet engine) |
| heat shield | a protective covering that protects a spacecraft from overheating on reentry |
| heat sink | a metal conductor specially designed to conduct (and radiate) heat |
steam heat
steam heating | a heating system in which steam is generated in boilers and piped to radiators |
| heat warmth passion | the trait of being intensely emotional |
heat content
total heat
enthalpy
H | (thermodynamics) a thermodynamic quantity equal to the internal energy of a system plus the product of its volume and pressure, enthalpy is the amount of energy in a system capable of doing mechanical work |
body temperature
blood heat | temperature of the body, normally . F or C in humans, usually measured to obtain a quick evaluation of a person's health |
hotness
heat high temperature | the presence of heat |
fieriness
red heat | the heat or the color of fire |
| white heat | the hotness of something heated until it turns white |
thermal barrier
heat barrier | a limit to high speed flight imposed by aerodynamic heating |
heat
warmth | the sensation caused by heat energy |
| kinetic theory of heat | a theory that the temperature of a body increases when kinetic energy increases |
| dead heat | a tie in a race |
| heat flash | a flash of intense heat (as released by an atomic explosion) |
| heat lightning | bright flashes of light near the horizon without thunder (especially on hot evenings), usually attributed to distant lightning that is reflected by clouds |
| heat | a preliminary race in which the winner advances to a more important race |
heat
heat energy | a form of energy that is transferred by a difference in temperature |
| heat of dissociation | the heat required for a fluid substance to break up into simpler constituents |
| heat of formation | the heat evolved or absorbed during the formation of one mole of a substance from its component elements |
| heat of solution | the heat evolved or absorbed when one mole of a substance is dissolved in a large volume of a solvent |
latent heat
heat of transformation | heat absorbed or radiated during a change of phase at a constant temperature and pressure |
| heat of condensation | heat liberated by a unit mass of gas at its boiling point as it condenses into a liquid, the heat of condensation is equal to the heat of vaporization |
| heat of fusion | heat absorbed by a unit mass of a solid at its melting point in order to convert the solid into a liquid at the same temperature, the heat of fusion is equal to the heat of solidification |
| heat of solidification | heat liberated by a unit mass of liquid at its freezing point when it solidifies |
| heat of sublimation | heat absorbed by a unit mass of material when it changes from a solid to a gaseous state |
heat of vaporization
heat of vaporisation | heat absorbed by a unit mass of a material at its boiling point in order to convert the material into a gas at the same temperature |
| specific heat | the heat required to raise the temperature of one gram of a substance one degree centigrade |
| heat ray | a ray that produces a thermal effect |
| heat wave | a wave of unusually hot weather |
| heat dissipation | dissipation of heat |
work unit
heat unit
energy unit | a unit of measurement for work |
estrus
oestrus
heat
rut | applies to nonhuman mammals: a state or period of heightened sexual arousal and activity |
heatstroke
heat hyperpyrexia | collapse caused by exposure to excessive heat |
heat exhaustion
heat prostration | a condition marked by dizziness and nausea and weakness caused by depletion of body fluids and electrolytes |
prickly heat
heat rash
miliaria | obstruction of the sweat ducts during high heat and humidity |
| heat up hot up screw up | make more intense, Emotions were screwed up |
heat heat up
| make hot or hotter, the sun heats the oceans, heat the water on the stove |
heat
hot up heat up | gain heat or get hot, The room heated up quickly |
inflame
stir up
wake
ignite
heat
fire up | arouse or excite feelings and passions, The ostentatious way of living of the rich ignites the hatred of the poor, The refugees' fate stirred up compassion around the world, Wake old feelings of hatred |
| heat | provide with heat, heat the house |
| steam-heat | heat by means of steam |
turn up the heat
turn up the pressure | apply great or increased pressure, The Democrats turned up the heat on their candidate to concede the election |
endothermic
endothermal
heat-absorbing | (of a chemical reaction or compound) occurring or formed with absorption of heat |