1. (

• heat ,
• heat_energy

) a form of energy that is transferred by a difference in temperature ;

2. (

• hotness ,
• heat ,
• high_temperature

) the presence of heat ;

3. (

• heat ,
• warmth

) the sensation caused by heat energy ;

4. (

• heat ,
• warmth ,
• passion

) the trait of being intensely emotional ;

5. (

• estrus ,
• oestrus ,
• heat ,
• rut

) applies to nonhuman mammals: a state or period of heightened sexual arousal and activity ;

6. (

• heat

) a preliminary race in which the winner advances to a more important race ;

7. (

• heating_system ,
• heating_plant ,
• heating ,
• heat

) utility to warm a building; "the heating system wasn't working"; "they have radiant heating" ;

1. (

• heat ,
• heat_up

) make hot or hotter; "the sun heats the oceans"; "heat the water on the stove" ;

2. (

• heat

) provide with heat; "heat the house" ;

3. (

• inflame ,
• stir_up ,
• wake ,
• ignite ,
• heat ,
• fire_up

) arouse or excite feelings and passions; "The ostentatious way of living of the rich ignites the hatred of the poor"; "The refugees' fate stirred up compassion around the world"; "Wake old feelings of hatred" ;

4. (

• heat ,
• hot_up ,
• heat_up ,

) gain heat or get hot; "The room heated up quickly" ;