| HEAT | human erythrocyte agglutination test |
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| HME | Health Media Education; heat and moisture exchanger; heat, massage, and exercise |
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| LT | 1) heat-Labile enteroToxin 2) Leuko-Trience |
| ST | heat-Stable enteroToxin |
| CHV | canine herpes virus; centigrade heat unit |
| Cv | specific heat at constant volume |
| HSP | 2)/heat shock protein |
|---|---|
| FHP | Fasting heat production |
| HS | Heat Shock |
| HSC70 | Heat Shock Cognate 70 |
| HSE | Heat Shock Elements |
| heat | <chemistry> Energy transferred between two objects because of a temperature difference, the thermal motion of atoms and molecules. For chemical systems the sign for heat flow into the system is positive, because this process increases the internal energy of the system. Heat flowing out of the system is defined to be negative, since this process decreases the internal energy of the system. (09 Jan 1998) |
|---|---|
| heat apoplexy | A severe and often fatal illness produced by exposure to excessively high temperatures, especially when accompanied by marked exertion. It can manifest by elevated body temperature, lack of sweating, hot dry skin, and neurologic symptoms; unconsciousness, paralysis, headache, vertigo, confusion. In severe cases very high fever, vascular collapse, and coma develop. Synonym: heat apoplexy, heat hyperpyrexia, malignant hyperpyrexia, thermic fever. (05 Mar 2000) |
| heat capacity | <chemistry> The amount of energy required to raise the temperature of an object by one degree Celsius (or Kelvin), it is represented by the symbol C and is given in units of J/K. (09 Jan 1998) |
| heat coagulation test | A test for measurement of protein in urine; albumin and globulin are coagulated by heat at an acid pH, and the amount of turbidity present provides a qualitative estimation of the degree of proteinuria. (05 Mar 2000) |
| heat cramp | A form of heat illness that results from profuse sweating and loss of body salts (sodium). Heat cramps are manifest by painful spasms of abdominal and skeletal muscles. (27 Sep 1997) |
| heat cramps | Muscle spasms induced by severe exertion in intense heat, accompanied by considerable pain; sometimes related to salt deficiency, hyperventilation, or overindulgence in alcohol. Synonym: myalgia thermica. (05 Mar 2000) |
| heat exhaustion | A form of heat illness that results when the victim is dehydrated (fluid depleted). Common symptoms include: fatigue, lightheadedness, nausea, vomiting, headache, rapid heartbeat and lowered blood pressure. (27 Sep 1997) |
| heat hyperpyrexia | A severe and often fatal illness produced by exposure to excessively high temperatures, especially when accompanied by marked exertion. It can manifest by elevated body temperature, lack of sweating, hot dry skin, and neurologic symptoms; unconsciousness, paralysis, headache, vertigo, confusion. In severe cases very high fever, vascular collapse, and coma develop. Synonym: heat apoplexy, heat hyperpyrexia, malignant hyperpyrexia, thermic fever. (05 Mar 2000) |
| heat illness | A general term which describes three forms of heat related injury: heat cramps, heat exhaustion and heatstroke. (27 Sep 1997) |
| heat instability test | A test for the presence of unstable haemoglobins; fresh red blood cells lysed in distilled water develop a precipitate within one hour at 50°C if unstable haemoglobin is present. (05 Mar 2000) |
| heat lamp | A lamp that emits infrared light and produces heat; used to apply topical heat to the skin. Synonym: thermolamp. (05 Mar 2000) |
| heat oedema | Oedema caused by excessively high external temperature. (05 Mar 2000) |
| heat of combustion | The quantity of heat liberated per gram-molecular weight when a substance undergoes complete oxidation. (05 Mar 2000) |
| heat of compression | Heat produced when a gas is compressed. (05 Mar 2000) |
| heat of crystallization | The quantity of heat liberated or absorbed per mol when a substance passes into the crystalline state. (05 Mar 2000) |
| atomic heat | The amount of heat required to raise an atom from 0 |
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| radiant heat | Heat given off from any body in the form of waves, similar to light waves but of greater wavelength. (05 Mar 2000) |
| molar heat capacity | <chemistry> The amount of energy required to raise the temperature of one mole of a substance by one degree Celsius (or Kelvin). (09 Jan 1998) |
| molecular heat | The product of the specific heat of a body multiplied by its molecular weight. (05 Mar 2000) |
| combined heat and power | An older term for what is now generally called cogeneration. The term is currently used in Europe and other foreign countries. (05 Dec 1998) |
| conductive heat | Heat transmitted by direct contact, as by an electric pad or hot water bottle. (05 Mar 2000) |
| convective heat | Heat conveyed by a warm medium, such as air or water, in motion from its source. (05 Mar 2000) |
| conversive heat | Heat produced in a body by the absorption of waves that are not in themselves hot, such as the sun's rays or infrared radiation. (05 Mar 2000) |
| prickly heat | An eruption of papules and vesicles at the orifices of sweat glands, accompanied by redness and inflammatory reaction of the skin. Synonym: heat rash, lichen infantum, lichen strophulosus, prickly heat, strophulus, summer rash, tropical lichen, lichen tropicus, wildfire rash. (05 Mar 2000) |
| process heat | Heat used in an industrial process rather than for space heating or other housekeeping purposes. (05 Dec 1998) |
| sensible heat | The amount of heat that, when absorbed by a substance, causes a rise in temperature. Compare: latent heat. (05 Mar 2000) |
| specific heat | The amount of energy (measured in calories or joules) needed to raise thetemperature of one gram of a pure substance by one degree C. (09 Oct 1997) |
| specific heat capacity | <chemistry> The amount of energy required to raise the temperature of one gram of a substance by one degree Celsius (or Kelvin). (09 Jan 1998) |
| drosophila heat-shock protein | <protein> Proteins which are immediately produced when the Drosophila fruit fly is exposed for a short time to extreme heat or other stress, such as toxic substances or alcohol. (09 Oct 1997) |
| initial heat | The first burst of heat produced after the beginning of a muscle twitch, described by A. V. Hill. (05 Mar 2000) |
Synonyms :
Synonyms : Collapse, Heat, Exhaustion, Heat, Prostration, Heat
Synonyms : Heat Stress, Stress Disorders, Heat, Cramp, Heat, Cramps, Heat, Disorder, Heat Stress, Disorders, Heat Stress, Heat Cramp, Heat Stress Disorder, Heat Stress Syndrome, Heat Stresses, Stress Disorder, Heat, Stress Syndrome, Heat, Stress Syndromes, Heat, Stress, Heat
Synonyms : Heatstroke, Heat Strokes, Heatstrokes, Stroke, Heat, Strokes, Heat
Synonyms : Heat-Shock Protein, Heat-Shock Protein 27, Heat-Shock Protein Chlamydomonas, Stress Protein 34, Stress Protein 71, Chlamydomonas, Heat-Shock Protein, Heat Shock Protein, Heat Shock Protein 27, Heat Shock Protein Chlamydomonas, Heat Shock Proteins
| heat exchanger |
device that transfers heat from one liquid to another without allowing them to mix
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| 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"
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| heat of sublimation |
heat absorbed by a unit mass of material when it changes from a solid to a gaseous state
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| heat of vaporization |
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
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| heat lamp |
electric heater consisting of a high-power incandescent lamp that emits infrared radiation; "the bathroom could be warmed by an infrared lamp"
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| heat | utility to warm a building |
|---|---|
| heat | intense passion or emotion |
| heat | the presence of heat |
| heat | the sensation caused by heat energy |
| heat | a form of energy that is transferred by a difference in temperature |
| heat | applies to nonhuman mammals: a state or period of heightened sexual arousal and activity |
| heat | make hot or hotter |
| heat | gain heat or get hot |
| heat | arouse or excite feelings and passions |
| heat | provide with heat |
| heat | a limit to high speed flight imposed by aerodynamic heating |
| heat | the sum of the internal energy of a system and the product of its volume and pressure |
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