Heat meaning

hēt
The definition of heat is a form of energy that causes a difference in temperature, or the perception of warmth.

An example of heat is hot water.

noun
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Heat is defined as to add warmth to something.

An example of heat is bringing a kettle of water to a boil.

verb
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An abnormally high bodily temperature, as from a fever.
noun
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A hot season; a spell of hot weather.
noun
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A burning sensation produced by spices, mustard, etc.
noun
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To become excited emotionally or intellectually.
verb
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The perception of heat by the senses, resulting from contact with or nearness to something hot; sensation of hotness or warmth felt through the skin.
noun
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One of a series of efforts or attempts.
noun
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Hot weather or climate.
noun
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A single effort, round, bout, or trial; esp., any of the preliminary rounds of a race, etc., the winners of which compete in the final round.
noun
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(baseball, slang) Pitches thrown with great velocity.
noun
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To make or become warm or hot.
verb
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To make or become excited; inflame or become inflamed.
verb
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The sensation or perception of such energy as warmth or hotness.
noun
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An abnormally high bodily temperature, as from a fever.
noun
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Estrus.
noun
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To make or become warm or hot.
verb
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(physics) To increase the heat energy of an object.
verb
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(uncountable) An undesirable amount of attention.

The heat from her family after her DUI arrest was unbearable.

noun
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(uncountable, slang) The police.

The heat! Scram!

noun
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(uncountable, slang) One or more firearms.
noun
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(informal) Pressure; stress.
noun
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The period or condition of excitement, intensity, stress, etc.; most violent or intense point or stage.

In the heat of battle.

noun
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Estrus.
noun
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(slang) Adverse comments or hostile criticism.

Heat from the press forced the senator to resign.

noun
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To excite the feelings of; inflame.
verb
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(physics) To increase the molecular or kinetic energy of (an object).
verb
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To become warm or hot.
verb
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Degree of hotness or warmth.

At low heat.

noun
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The warming of a room, house, etc., as by a stove or furnace.

His rent includes heat.

noun
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Color or other appearance as an indication of hotness.

Blue heat in metals.

noun
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Strong feeling or emotion; excitement, ardor, anger, zeal, etc.
noun
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Internal energy that is transferred to a physical system from outside the system because of a difference in temperature and does not result in work done by the system on its surroundings. Absorption of energy by a system as heat takes the form of increased kinetic energy of its molecules, thus resulting in an increase in temperature of the system. Heat is transferred from one system to another in the direction of higher to lower temperature.
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(uncountable) Thermal energy.

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.

noun
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(uncountable) The condition or quality of being hot.

Stay out of the heat of the sun!

noun
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(uncountable) An attribute of a spice that causes a burning sensation in the mouth.

The chili sauce gave the dish heat.

noun
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(countable, baseball) A fastball.

The catcher called for the heat, high and tight.

noun
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(uncountable) A condition where a mammal is aroused sexually or where it is especially fertile and therefore eager to mate.

The male canines were attracted by the female in heat.

noun
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(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.

noun
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(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.

noun
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(countable) A hot spell.

The children stayed indoors during this year's summer heat.

noun
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(uncountable) Heating system.

I'm freezing, could you turn on the heat?

noun
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(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.

noun
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To cause an increase in temperature of an object or space; to cause something to become hot; often with "up".

I'll heat up the water.

verb
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To excite or make hot by action or emotion; to make feverish.
verb
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To excite ardour in; to rouse to action; to excite to excess; to inflame, as the passions.
verb
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To arouse, to excite (sexually).

The massage heated her up.

verb
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(military) High Explosive Anti-Tank — antitank munition using a high explosive shaped charge to breach armour.
initialism
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The sensation or perception of such energy as warmth or hotness.
noun
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1
(slang) A firearm, especially a pistol.
noun
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To make warm or hot.
verb
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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 and is the form of energy that is transferred between bodies as a result of their temperature difference.
noun
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(uncountable) A period of intensity, particularly of emotion.

It's easy to make bad decisions in the heat of the moment.

noun
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1

Origin of heat

  • Middle English hete from Old English hǣtu kai- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Middle English hete, from Old English hǣte, hǣtu (“heat, warmth; fervor, ardor”), from Proto-Germanic *haitį̄ (“heat”), from Proto-Indo-European *kÀit- (“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 hita (“heat”).

    From Wiktionary

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

    From Wiktionary