Heat is energy in transfer to or from a thermodynamic system by mechanisms other than thermodynamic work or transfer of matter.

Heat or HEAT may also refer to:

Science and technology

Medicine

  • Fever, a body temperature above the normal range in response to internal physiological conditions
  • Heat illness, a spectrum of disorders due to environmental exposure to heat:
    • Heat cramps, muscle spasms that result from loss of large amount of salt and water through exercise
    • Heat edema, swelling of the hands and/or feet due to over-expansion of the blood vessels in the extremities in response to heat
    • Heat exhaustion, caused by the loss of water and electrolytes through sweating
    • Heat rash, skin irritations caused by excessive sweating or blocked sweat glands
    • Heat stroke, with a body temperature greater than 40.6 °C (105.1 °F)
    • Heat syncope, fainting or dizziness as a result of overheating
    • Heat tetany, cramps and seizures caused by calcium and/or magnesium loss due to excessive sweating in short periods of stress in high heat
  • Hyperthermia, elevated body temperature due to failed thermoregulation that occurs when a body produces or absorbs more heat than it dissipates
    • Malignant hyperthermia, a type of severe reaction that may occur to susceptible patients during general anesthesia
  • Hot flash or hot flush, a feeling of heat, with sweating and increased heart rate, usually experienced by menopausal women due to low estradiol

Computing

Arts, entertainment and media

Games

Films

  • Heat (1963 film), a Soviet drama film directed by Larisa Shepitko
  • Heat (1972 film), an American drama film directed by Paul Morrissey, starring Sylvia Miles and Joe Dallesandro
  • Heat (1986 film), an American action-thriller film directed by Dick Richards and Jerry Jameson, starring Burt Reynolds
  • Heat (1995 film), an American crime drama directed by Michael Mann, starring Al Pacino, Robert De Niro and Val Kilmer
  • Natural Justice: Heat (1996), an Australian television film, sometimes referred to as Heat, directed by Scott Hartford-Davis
  • Heat (2006 film), a Russian comedy film directed Rezo Gigineishvili
  • The Heat (film), a 2013 comedy film directed by Paul Feig, starring Sandra Bullock and Melissa McCarthy

Literature

Fictional characters

Music

Albums

EPs

Songs

Periodicals

Television

Food

  • Pungency or piquantness ("Heat" or "hotness"), the spiciness of foods such as black pepper, chili peppers, garlic and onions, ginger, mustard, and horseradish
  • Heat, the traditional and most common means of cooking food
  • Heat, applied post-preparation to food with a heat lamp, to prevent the growth of microorganisms before the food is consumed

Military and law enforcement

Sports

  • Heat, a preliminary race or match in a sports tournament
  • Fastball (colloquialism: heat), in baseball

Wrestling

Teams

Basketball

Other uses

See also

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