nouns
a form of energy that is transferred by a difference in temperature
the sensation caused by heat energy
the trait of being intensely emotional
applies to nonhuman mammals: a state or period of heightened sexual arousal and activity
a preliminary race in which the winner advances to a more important race
is a type of (narrower)
a contest of speed
"the race is to the swift"
utility to warm a building
"the heating system wasn't working"; "they have radiant heating"