"heating" in the noun sense
1. heating, warming
the process of becoming warmer a rising temperature
2. heating system, heating plant, heating, heat
utility to warm a building
"the heating system wasn't working"
"they have radiant heating"
"heating" in the verb sense
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"
Source: WordNet® (An amazing lexical database of English)
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