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a. A form of energy associated with the kinetic energy of atoms or molecules and capable of being transmitted through solid and fluid media by conduction, through fluid media by convection, and through empty space by radiation.
b. The transfer of energy from one body to another as a result of a difference in temperature or a change in phase.
2. The sensation or perception of such energy as warmth or hotness.
3. An abnormally high bodily temperature, as from a fever.
a. The condition of being hot.
b. A degree of warmth or hotness: The burner was on low heat.
a. The warming of a room or building by a furnace or another source of energy: The house was cheap to rent, but the heat was expensive.
b. A furnace or other source of warmth in a room or building: The heat was on when we returned from work.
6. A hot season; a spell of hot weather.
a. Intensity, as of passion, emotion, color, appearance, or effect.
b. The most intense or active stage: the heat of battle.
c. A burning sensation in the mouth produced by spicy flavoring in food.
9. One of a series of efforts or attempts.
a. Sports & Games One round of several in a competition, such as a race.
b. A preliminary contest held to determine finalists.
11. Informal Pressure; stress.
a. An intensification of police activity in pursuing criminals.
b. The police. Used with the.
13. Slang Adverse comments or hostile criticism: Heat from the press forced the senator to resign.
14. Slang A firearm, especially a pistol.
v. heat·ed, heat·ing, heats
1. To make warm or hot.
2. To excite the feelings of; inflame.
3. Physics To increase the heat energy of (an object).
1. To become warm or hot.
2. To become excited emotionally or intellectually.
heat up Informal
To become acute or intense: "If inflation heats up, interest rates could increase" (Christian Science Monitor).
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|Verb||1.||heat up - gain heat or get hot; "The room heated up quickly"|
change state, turn - undergo a transformation or a change of position or action; "We turned from Socialism to Capitalism"; "The people turned against the President when he stole the election"
overheat - get excessively and undesirably hot; "The car engines overheated"
fry - be excessively hot; "If the children stay out on the beach for another hour, they'll be fried"
|2.||heat up - make hot or hotter; "the sun heats the oceans"; "heat the water on the stove"|
alter, change, modify - cause to change; make different; cause a transformation; "The advent of the automobile may have altered the growth pattern of the city"; "The discussion has changed my thinking about the issue"
scald - heat to the boiling point; "scald the milk"
soak - heat a metal prior to working it
calcine - heat a substance so that it oxidizes or reduces
preheat - heat beforehand; "Preheat the oven!"
overheat - make excessively or undesirably hot; "The room was overheated"
reheat - heat again; "Please reheat the food from last night"
|3.||heat up - make more intense; "Emotions were screwed up"|