释义 |
heat I. \ˈhēt, usu -ēd.+V\ verb (heated \ˈhēd.ə̇d, -ētə̇d\ ; also dialect het \ˈhet, usu -ed.+V\ ; heated also dialect het ; heating ; heats) Etymology: Middle English heten, from Old English hǣtan; akin to Old High German heizen to heat, Middle Dutch heten, Old Norse heita; causative-denominatives from the root of English hot intransitive verb 1. a. : to become warm or hot : rise in temperature < water heating in a large kettle > < the room slowly heated > b. : to become hot and spoil due to excessive or abnormal respiratory or fermentative activity < grain containing excessive moisture may heat seriously in the bin > 2. : to become excited, moved, or inflamed in mind or spirit < cannot see injustice without heating > transitive verb 1. : to make warm or hot : raise the temperature of < heat the oven to 350 degrees > < water heated by the sun > 2. : to arouse the emotion or spirit of : excite, move, or inflame usually intensely or to a course of action < his arrogance heats me beyond enduring > < these stirring words heated us all > 3. : to make (as the human body) feverish or excessively hot < wine heats the blood > < he was heated by the long dry climb > 4. obsolete : to run over (ground) : cover (ground) in or as if in a race II. noun (-s) Etymology: Middle English hete, from Old English hǣte, hǣtu; akin to Old Frisian hēte heat, Old High German heizi; derivatives from the root of English hot 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 : warmth, hotness < the iron lost its heat in contact with the cold ground > usually : a marked or notable degree of this state : high temperature < the heat was intense > < you'll need a good heat to burn that damp rubbish > < midsummer heat > < a heat of 500 degrees > b. (1) : a feverish state of the body : pathological excessive bodily temperature (as from inflammation) < knew the throbbing heat of an abscess > < sponged him with alcohol to relieve 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 < felt the heat rise in her face as she returned his look > c. : a hot place or situation (as a fire) < the legendary salamander dallying at the heart of the heat > < out in the heat all afternoon long > < dormant flies coming out into the heat > d. (1) : a period of heat or of exposure to heat < requires a heat of several hours to get out all the moisture > < had an unbroken heat since the first of June > (2) : a single complete operation of heating (as at a forge or in a furnace); also : the quantity of material so heated e. (1) : a form of energy the addition of which causes substances to rise in temperature, fuse, evaporate, expand, or undergo any of various other related changes, which flows to a body by contact with or radiation from bodies at higher temperatures, and which 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 f. : an indication of temperature attained as manifested by the condition, appearance, or color of a body < when the rod is at the proper welding heat > — compare red heat g. : one of a series of discrete rates or intensities of heating < an electric iron may have three heats > 2. a. : intensity of feeling or reaction (as in fury, vehemence, or agitation of mind) < answered with considerable heat > < such a heat of eloquence flowed forth > b. : the height or stress of an action or condition < in the heat of battle > < during the first heat of the epidemic > c. (1) : sexual excitement especially in a female mammal : estrus : a state in which a female will accept service by a male — usually used with in or into or, especially Brit., with on < ewes come on heat soon after flushing > < like a bitch in heat > (2) : the time or duration of heat : an episode of heat < a mare is most likely to settle during the foal heat that occurs two or three weeks after parturition > 3. : one of the fundamental qualities of bodies, elements, or humors recognized in medieval physiology 4. : pungency of flavor < cherry peppers have greater heat than most > < the tangy heat of crystallized ginger > 5. : a vigorous or violent unintermitted action : a single continuous effort < set down the outline of his paper at a single heat > as a. (1) : a single course in a race or other contest that consists of two or more courses for all contestants < won two heats out of three > (2) : one of several preliminary races held to eliminate less competent contenders from the final race when contestants are too numerous to compete at once < swam in the second heat and won, but lost out in the final race > b. : a field trial event in which two dogs compete directly with each other and usually by comparison with other braces competing in the field trial c. (1) slang : the intensification of law-enforcement activity or investigational pressure usually with special concern for a particular kind of crime or criminal < the bookies are out of business till the heat is off > (2) : pressure or coercion intended to influence a course of action or events < taxpayers got relief by turning the heat on their congressmen > (3) : strain, tension, or difficulty resulting from the pressure of events < weaken when the heat is on > 6. a. : a charge of metal made in a Bessemer converter or the steel scrap, pig, or molten iron, limestone, and fluxes in the open-hearth or electric furnace b. : the resulting molten steel c. : the ingots charged into the soaking pits or the blooms charged into the reheating furnace III. noun 1. slang : police 2. : baseball pitches that are extremely hard and fast 3. slang : gun |