See also: HEAT


 heat (disambiguation) on Wikipedia


Etymology 1Edit

From Middle English hete, from Old English hǣtu, from Proto-Germanic *haitį̄ (heat), from Proto-Indo-European *kayd-, a derived form of *kay- (heat; hot).

Cognate with Scots hete (heat), North Frisian hiet (heat), Old High German heizī (heat). Related also to Dutch hitte (heat), German Hitze (heat), Swedish hetta (heat), Icelandic hiti (heat).


heat (countable and uncountable, plural heats)

  1. (uncountable) Thermal energy.
    • 2007, James Shipman, Jerry Wilson, Aaron Todd, An Introduction to Physical Science: Twelfth Edition, pages 106–108:
      Heat and temperature, although different, are intimately related. [...] For example, suppose you added equal amounts of heat to equal masses of iron and aluminum. How do you think their temperatures would change? [] if the temperature of the iron increased by 100 C°, the corresponding temperature change in the aluminum would be only 48 C°.
    • 2008, BioWare, Mass Effect, Redwood City: Electronic Arts, →ISBN, →OCLC, PC, scene: Space Combat: Combat Endurance Codex entry:
      Heat limits the length and intensity of ship-to-ship combat. Starships generate enormous heat when they fire high-energy weapons, perform maneuvering burns, and run on-board combat electronics.
      In combat, warships produce heat more quickly than they can disperse it. As heat builds within a vessel, the crewed spaces become increasingly uncomfortable. Before the heat reaches lethal levels, a ship must win or retreat by entering FTL. After an FTL run, the ships halts, shuts down non-essential systems, and activates the heat radiation gear.
    • 2013 July-August, Henry Petroski, “Geothermal Energy”, in American Scientist, volume 101, number 4:
      Energy has seldom been found where we need it when we want it. Ancient nomads, wishing to ward off the evening chill and enjoy a meal around a campfire, had to collect wood and then spend time and effort coaxing the heat of friction out from between sticks to kindle a flame.
    This furnace puts out 5000 BTUs of heat.   That engine is really throwing off some heat.   Removal of heat from the liquid caused it to turn into a solid.
  2. (uncountable) The condition or quality of being hot.
    Stay out of the heat of the sun!
  3. (uncountable) An attribute of a spice that causes a burning sensation in the mouth.
    The chili sauce gave the dish heat.
  4. (uncountable) A period of intensity, particularly of emotion.
    Synonyms: passion, vehemence
    It's easy to make bad decisions in the heat of the moment.
  5. (uncountable) An undesirable amount of attention.
    The heat from her family after her DUI arrest was unbearable.
  6. (uncountable, slang) The police.
    The heat! Scram!
    • 1976, Jacques Levy; Bob Dylan (lyrics and music), “Hurricane”, in Desire, performed by Bob Dylan:
      If you’re black / You might as well not show up on the street / Unless you want to draw the heat
  7. (uncountable, slang) One or more firearms.
    • 1983, Larry Niven; Jerry Pournelle, Lucifer's hammer, page 508:
      You carrying heat?" "You saw me unload the pistol," Hugo said. "It's in the waistband. And the kitchen knife. I need that for eating.
    • 2004, Tom Clancy, The Teeth of the Tiger, page 62:
      Evidently, he wasn't carrying heat with him at the time." "Civilized place like Rome, why bother?" Granger observed.
    • 2005, John Sayles, Pride of the Bimbos, page 187:
      Pogo Burns is not a guy who likes to be threatened with a rifle. Especially when it's for no good reason. You never show heat unless you plan to use it.
    • 2007, Brian Groh, Summer People, page 234:
      "I should have brought some heat for you." "Heat?" "A burner, man, a gun."
    • 2008, James Swain, The Night Stalker, page 92:
      Both were carrying heat, and I slipped their pieces into my pants pockets.
  8. (countable, baseball) A fastball.
    The catcher called for the heat, high and tight.
  9. (uncountable) A condition where a mammal is aroused sexually or where it is especially fertile and therefore eager to mate; oestrus.
    The male canines were attracted by the female in heat.
    1. (countable, fandom slang) In omegaverse fiction, a cyclical period in which omegas experience an intense, sometimes irresistible biological urge to mate.
      • 2013, Kristina Busse, "Pon Farr, Mpreg, Bonds, and the Rise of the Omegaverse", in Fic: Why Fanfiction Is Taking Over the World (ed. Anne Jamison), page 321:
        Some stories engage in dub-con scenarios where one or both partners are out of their minds with heat lust and lose all reasoning and inhibitions.
      • 2017, Marianne Gunderson, "What is an omega? Rewriting sex and gender in omegaverse fanfiction", thesis submitted to the University of Oslo, page 40:
        When Yuri goes into his first heat, it is not only an uncomfortable and traumatic physical experience, it is also an identity crisis: this is the moment realizes that he is an omega, and not a beta as he had previously assumed.
      • 2018, Laura Campillo Arnaiz, "When the Omega Empath Met the Alpha Doctor: An Analysis of Alpha/Beta/Omega Dynamics in the Hannibal Fandom", in The Darker Side of Slash Fan Fiction (ed. Ashton Spacey), page 127:
        Hannibal's first kiss and his alpha saliva trigger Will's heat, []
  10. (countable) A preliminary race, used to determine the participants in a final race
    The runner had high hopes, but was out of contention after the first heat.
  11. (countable, by extension) A stage in a competition, not necessarily a sporting one; a round.
    • 2019 December 20, Becca,[1]:
      The first heat of the Rotary Young Chef Competition went underway on Monday 16th December…
  12. (countable) One cycle of bringing metal to maximum temperature and working it until it is too cool to work further.
    I can make a scroll like that in a single heat.
    • 1945 January and February, A Former Pupil, “Some Memories of Crewe Works—III”, in Railway Magazine, page 13:
      The smiths themselves were a grand lot of fellows, full of a robust, and sometimes Rabelaisian sense of humour, and between "heats," they could be most entertaining.
  13. (countable) A hot spell.
    The children stayed indoors during this year's summer heat.
  14. (uncountable) Heating system; a system that raises the temperature of a room or building.
    I'm freezing; could you turn on the heat?
  15. (uncountable) The output of a heating system.
    During the power outage we had no heat because the controls are electric.   Older folks like more heat than the young.
  16. (countable) A violent action unintermitted; a single effort.
      …many pauses are required for refreshment betwixt the heats….
Derived termsEdit
The translations below need to be checked and inserted above into the appropriate translation tables. See instructions at Wiktionary:Entry layout § Translations.

Etymology 2Edit

From Middle English heten, from Old English hǣtan (to heat; become hot), from Proto-Germanic *haitijaną (to heat, make hot).


heat (third-person singular simple present heats, present participle heating, simple past and past participle heated or (dialectal) het)

  1. (transitive) To cause an increase in temperature of (an object or space); to cause to become hot (often with "up").
    I'll heat up the water.
  2. (intransitive) To become hotter.
    There's a pot of soup heating on the stove.
  3. (transitive, figurative) To excite or make hot by action or emotion; to make feverish.
  4. (transitive, figurative) To excite ardour in; to rouse to action; to excite to excess; to inflame, as the passions.
    • a. 1701 (date written), John Dryden, “To His Sacred Majesty. A Panegyric on his Coronation.”, in The Miscellaneous Works of John Dryden, [], volume I, London: [] J[acob] and R[ichard] Tonson, [], published 1760, →OCLC, page 34:
      A noble emulation heats your breaſt, / And your own fame now robs you of your reſt.
  5. (transitive, slang) To arouse, to excite (sexually).
    The massage heated her up.
Derived termsEdit
The translations below need to be checked and inserted above into the appropriate translation tables. See instructions at Wiktionary:Entry layout § Translations.

Further readingEdit




From English heat.



heat n

  1. (sports) A heat, a preliminary race, used to determine the participants in a final race
    Johansson och Skoog går vidare från det första heatet.
    Johansson and Skoog are through from the first heat.


Declension of heat 
Singular Plural
Indefinite Definite Indefinite Definite
Nominative heat heatet heat heaten
Genitive heats heatets heats heatens

Derived termsEdit