definition of
heat

[1] #1 heat n. [heat energy] a form of energy that is transferred by a difference in temperature. wn

[2] #2 heat v. [heat up] make hot or hotter; "the sun heats the oceans"; "heat the water on the stove". wn

[3] #3 heat n. [hotness, high temperature] the presence of heat. wn

[4] #4 heat n. [warmth] the sensation caused by heat energy. wn

[5] #5 heat n. [warmth, passion] the trait of being intensely emotional. wn