[noun] applies to nonhuman mammals: a state or period of heightened sexual arousal and activity Synonyms:estrus, oestrus, rut
[noun] a preliminary race in which the winner advances to a more important race
[noun] utility to warm a building; "the heating system wasn't working"; "they have radiant heating" Synonyms:ing system, ing plant, ing
[verb] make hot or hotter; "heat the soup" Synonyms:up
[verb] provide with heat; "heat the house"
[verb] 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" Synonyms:inflame, stir up, wake, ignite, fire up
[verb] gain heat or get hot; "The room heated up quickly" Synonyms:hot up, up