Pronunciation: hĕt
n.1.A force in nature which is recognized in various effects, but especially in the phenomena of fusion and evaporation, and which, as manifested in fire, the sun's rays, mechanical action, chemical combination, etc., becomes directly known to us through the sense of feeling. In its nature heat is a mode of motion, being in general a form of molecular disturbance or vibration. It was formerly supposed to be a subtile, imponderable fluid, to which was given the name caloric.
2.The sensation caused by the force or influence of heat when excessive, or above that which is normal to the human body; the bodily feeling experienced on exposure to fire, the sun's rays, etc.; the reverse of cold.
3.High temperature, as distinguished from low temperature, or cold; as, the heat of summer and the cold of winter; heat of the skin or body in fever, etc.
4.Indication of high temperature; appearance, condition, or color of a body, as indicating its temperature; redness; high color; flush; degree of temperature to which something is heated, as indicated by appearance, condition, or otherwise.
It has raised . . . heats in their faces.
- Addison.
5.A single complete operation of heating, as at a forge or in a furnace; as, to make a horseshoe in a certain number of heats.
6.A violent action unintermitted; a single effort; a single course in a race that consists of two or more courses; as, he won two heats out of three.
[He] struck off at one heat the matchless tale of "Tam o' Shanter."
- J. C. Shairp.
7.Utmost violence; rage; vehemence; as, the heat of battle or party.
8.Agitation of mind; inflammation or excitement; exasperation.
9.Animation, as in discourse; ardor; fervency; as, in the heat of argument.
With all the strength and heat of eloquence.
- Addison.
10.(Zool.) Sexual excitement in animals; readiness for sexual activity; estrus or rut.
12.Strong psychological pressure, as in a police investigation; as, when they turned up the heat, he took it on the lam.
Animal heat
etc. See under Animal, Blood, etc.
Atomic heat
(Chem.) the product obtained by multiplying the atomic weight of any element by its specific heat. The atomic heat of all solid elements is nearly a constant, the mean value being 6.4.
Dynamical theory of heat
that theory of heat which assumes it to be, not a peculiar kind of matter, but a peculiar motion of the ultimate particles of matter.
Heat engine
any apparatus by which a heated substance, as a heated fluid, is made to perform work by giving motion to mechanism, as a hot-air engine, or a steam engine.
Heat producers
(Physiol.) See under Food.
Heat rays
a term formerly applied to the rays near the red end of the spectrum, whether within or beyond the visible spectrum.
Heat weight
(Mech.) the product of any quantity of heat by the mechanical equivalent of heat divided by the absolute temperature; - called also thermodynamic function, and entropy.
Mechanical equivalent of heat
See under Equivalent.
Specific heat of a substance
the number of units of heat required to raise the temperature of a unit mass of the substance at that temperature one degree.
Unit of heat
the quantity of heat required to raise, by one degree, the temperature of a unit mass of water, initially at a certain standard temperature. The temperature usually employed is that ofCentigrade, or 32° Fahrenheit.
v. t.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.
[imp. & p. p. Heated; p. pr. & vb. n. Heating.]
Heat me these irons hot.
- Shak.
2.To excite or make hot by action or emotion; to make feverish.
Pray, walk softly; do not heat your blood.
- Shak.
3.To excite ardor in; to rouse to action; to excite to excess; to inflame, as the passions.
v. i.1.To grow warm or hot by the action of fire or friction, etc., or the communication of heat; as, the iron or the water heats slowly.
2.To grow warm or hot by fermentation, or the development of heat by chemical action; as, green hay heats in a mow, and manure in the dunghill.
imp. & p. 1.Heated; as, the iron though heat red-hot.
Noun1.heat - a form of energy that is transferred by a difference in temperature
Synonyms: heat energy
2.heat - the presence of heat
3.heat - the sensation caused by heat energy
Synonyms: warmth
4.heat - intense passion or emotion
Synonyms: passion, warmth
5.heat - applies to nonhuman mammals: a state or period of heightened sexual arousal and activity
Synonyms: estrus, oestrus, rut
6.heat - a preliminary race in which the winner advances to a more important race
7.heat - utility to warm a building; "the heating system wasn't working"; "they have radiant heating"
Verb1.heat - make hot or hotter; "heat the soup"
Synonyms: heat up
cool, cool down, chill - make cool or cooler; "Chill the food"
2.heat - provide with heat; "heat the house"
3.heat - 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"
4.heat - gain heat or get hot; "The room heated up quickly"
Synonyms: heat up, hot up
cool, cool down, chill - loose heat; "The air cooled considerably after the thunderstorm"
To feel heat in your dream, indicates a feeling of shame or embarrassment. Alternatively, it represents purity and creative energy.John Law, Le Mans, a transient madness, abandon, activate, agitate, agitation, air race, anger, angriness, animate, annoy, ardency, arousal, arouse, automobile race, awake, awaken, bake, barbecue, baste, bicycle race, blanch, blow the coals, blow up, boat race, boil, braise, brew, broil, brown, calenture, call forth, call up, chafe, childbed fever, coddle, commitment, committedness, contest of speed, continued fever, cop, copper, cross-country race, curry, dash, dedication, delirium, derby, devil, devotedness, devotion, devoutness, do, do to perfection, dog race, drag race, eagerness, earnestness, ecstasy, electric-heat, endurance race, enkindle, enrage, enragement, enthusiasm, eruptive fever, estral cycle, estruation, estrum, estrus, excite, exhilaration, faith, faithfulness, fan, fan the fire, fan the flame, febricity, febrility, feed the fire, ferment, fervency, fervidness, fervor, fever, fever heat, fever of excitement, feverishness, fidelity, fieriness, fire, fire up, flame, flatfoot, flush, foment, footrace, frenzy, fricassee, frizz, frizzle, fry, furor, fury, fury of lust, fuzz, gas-heat, grapes of wrath, griddle, grill, gusto, heart, heartiness, heat up, heatedness, hectic, hectic fever, hectic flush, hot, hot up, hot-air-heat, hot-water-heat, hurdle race, hyperpyrexia, hyperthermia, ignite, impassion, impassionedness, impetuosity, incense, incite, infuriate, infuriation, inspirit, instigate, intensify, intensity, intentness, intermittent fever, irateness, ire, key up, kindle, lap, lather up, light the fuse, light up, liveliness, loyalty, mad, madden, man, marathon, marathon race, match race, motorcycle race, move, mull, nettle, obstacle race, oven-bake, overexcite, overheat, paddy, pan, pan-broil, parboil, passionateness, peace officer, pique, poach, police, potato race, preheat, prepare, prepare food, protein fever, provoke, puerperal fever, put up to, pyrexia, quicken, race, rally, recook, regatta, reheat, relapsing fever, relay, relay race, relish, remittent, remittent fever, resolution, road race, roast, rouse, run, rut, sack race, saeva indignatio, saute, savor, scallop, sear, seriousness, set astir, set fire to, set on, set on fire, sexual excitement, shirr, sic on, simmer, sincerity, soreness, soul, speedway race, spirit, sprint, sprint race, steam, steam up, stew, stimulate, stimulation, stir, stir the blood, stir the embers, stir the feelings, stir up, stir-fry, stock-car race, stoke up, stress, summon up, superheat, tenseness, tension, tepefy, three-legged race, tickle, toast, torch race, torridity, torridness, track race, turn on, urethral fever, vaccinal fever, vehemence, verve, vials of wrath, wake, wake up, waken, walk, warm, warm over, warm the blood, warm up, warmness, warmth of feeling, water fever, whet, whip up, work into, work up, wound fever, wrath, wrathfulness, yacht race, zealousness
Translate Heat to Spanish, Translate Heat to German, Translate Heat to French
-- Heat --
heat barrier
heat content
heat dissipation
heat energy
heat engine
heat exchanger
heat exhaustion
heat flash
heat hyperpyrexia
heat lamp
heat lightning
heat of condensation
heat of dissociation
heat of formation
heat of fusion
heat of solidification
Definitions Index: # A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

About this site and copyright information - Online Dictionary Home - Privacy Policy