heat
1. A high temperature; the sensation produced by proximity to fire or an incandescent object, as opposed to cold. 2. The kinetic energy of atoms and molecules, as well as rotation and vibration. 3. SYN: estrus. 4. SYN: enthalpy. [A.S. haete]
- atomic h. the amount of h. required to raise an atom from 0° to 1°C; approximately the same for all elements (about 25 kJ/g-atom).
- h. of combustion the quantity of h. liberated per gram-molecular weight when a substance undergoes complete oxidation.
- h. of compression h. produced when a gas is compressed.
- conductive h. h. transmitted by direct contact, as by an electric pad or hot-water bottle.
- convective h. h. conveyed by a warm medium, such as air or water, in motion from its source.
- conversive h. h. produced in a body by the absorption of waves that are not in themselves hot, such as the sun's rays or infrared radiation.
- h. of crystallization the quantity of h. liberated or absorbed per mol when a substance passes into the crystalline state.
- h. of dissociation the h. (expressed in calories or joules) expended in the dissociation of 1 mol of a substance into specified products.
- h. of evaporation the h. absorbed in the evaporation of water, sweat or other liquid; for water it amounts to 540 cal/g at 100°C. SYN: h. of vaporization.
- h. of formation the h. (expressed in calories or joules) absorbed or liberated during the (hypothetical) reaction in which a mole of a compound is formed from the necessary elements, in elemental form.
- initial h. the first burst of h. produced after the beginning of a muscle twitch, described by A. V. Hill.
- latent h. the amount of h. that a substance may absorb without an increase in temperature, as in conversion from solid to liquid state (ice to water at 0°C), or from liquid to gaseous state (water to steam at 100°C). Cf.:sensible h..
- molecular h. the product of the specific h. of a body multiplied by its molecular weight.
- prickly h. SYN: miliaria rubra.
- radiant h. h. given off from any body in the form of infrared waves.
- sensible h. the amount of h. that, when absorbed by a substance, causes a rise in temperature. Cf.:latent h..
- h. of solution the quantity of h. absorbed or evolved when a solid is dissolved in a liquid.
- specific h. the amount of h. required to raise any substance through 1°C of temperature, compared with that raising the same volume of water 1°C.
- h. of vaporization SYN: h. of evaporation.
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human erythrocyte agglutination test

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heat 'hēt vi to become warm or hot vt to make warm or hot
heat n
1 a) the state of a body or of matter that is perceived as opposed to cold and is characterized by elevation of temperature: a condition of being hot esp a marked or notable degree of this state: high temperature
b ) (1) a feverish state of the body: pathological excessive bodily temperature (as from inflammation) <knew the throbbing \heat of an abscess> <the \heat of the fever> (2) a warm flushed condition of the body (as after exercise): a sensation produced by or like that produced by contact with or approach to heated matter
c ) (1) added energy that causes substances to rise in temperature, fuse, evaporate, expand, or undergo any of various other related changes, that flows to a body by contact with or radiation from bodies at higher temperatures, and that can be produced in a body (as by compression) (2) the energy associated with the random motions of the molecules, atoms, or smaller structural units of which matter is composed
2) sexual excitement esp. in a female mammal specif ESTRUS

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(hēt) [L. calor] 1. the sensation of an increase in temperature. 2. the energy which produces the sensation of heat. It exists in the form of molecular or atomic vibration (thermal agitation) and may be transferred, as a consequence of a gradient in temperature, by conduction through a substance, by convection by a substance, and by radiation as electromagnetic waves. Symbol Q or q. 3. estrus. 4. to become, or to cause to become, warm or hot.

Medical dictionary. 2011.

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  • Heat — (h[=e]t), n. [OE. hete, h[ae]te, AS. h[=ae]tu, h[=ae]to, fr. h[=a]t hot; akin to OHG. heizi heat, Dan. hede, Sw. hetta. See {Hot}.] 1. A force in nature which is recognized in various effects, but especially in the phenomena of fusion and… …   The Collaborative International Dictionary of English

  • Heat — Título Heat Ficha técnica Dirección Michael Mann Producción Art Linson Michael Mann …   Wikipedia Español

  • HEAT — Cette page d’homonymie répertorie les différents sujets et articles partageant un même nom …   Wikipédia en Français

  • heat — ► NOUN 1) the quality of being hot; high temperature. 2) heat seen as a form of energy arising from the random motion of molecules. 3) a source or level of heat for cooking. 4) intensity of feeling, especially of anger or excitement. 5) (the… …   English terms dictionary

  • heat — heat·able; heat; heat·ed·ly; heat·ful; heat·ing·ly; heat·less; heat·ron·ic; pre·heat; heat·er; re·heat; su·per·heat; …   English syllables

  • HEAT — (englisch für Hitze) bezeichnet: Heat (1972), Film von Paul Morrissey aus dem Jahre 1972 Heat (1995), Film von Michael Mann aus dem Jahre 1995 beim Pferderennen ein Rennen über mehrere Läufe, siehe Pferderennen#Heat (Heatrennen) im Tanzsport… …   Deutsch Wikipedia

  • heat — [hēt] n. [ME hete < OE hætu < base of hat (see HOT), akin to Ger heiss < IE base * kai , heat] 1. the quality of being hot; hotness: in physics, heat is considered a form of energy existing as the result of the random motion of molecules …   English World dictionary

  • Heat — (englisch für Hitze) bezeichnet: Heat (1972), Film von Paul Morrissey aus dem Jahr 1972 Heat (1995), Film von Michael Mann aus dem Jahr 1995 beim Pferderennen ein Rennen über mehrere Läufe, siehe Heatrennen im Tanzsport jeden der Durchgänge pro… …   Deutsch Wikipedia

  • Heat — (h[=e]t), v. t. [imp. & p. p. {Heated}; p. pr. & vb. n. {Heating}.] [OE. heten, AS. h[=ae]tan, fr. h[=a]t hot. See {Hot}.] 1. To make hot; to communicate heat to, or cause to grow warm; as, to heat an oven or furnace, an iron, or the like. [1913… …   The Collaborative International Dictionary of English

  • HEAT — BK 14 soviético de 125 mm. High Explosive Anti Tank, por sus siglas en inglés, o explosivo antitanque de alto poder. Este tipo de munición utiliza el efecto Monroe, usado extensivamente durante la Segunda Guerra Mundial contra los carros rusos;… …   Wikipedia Español

  • heat — UK US /hiːt/ noun INFORMAL ● feel/take/face the heat Cf. take/face the heat ● turn up the heat (on sb/sth) Cf. turn up the heat on sth …   Financial and business terms

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