heating
US /ˈhiː.t̬ɪŋ/
UK /ˈhiː.t̬ɪŋ/
1.
the process of supplying heat to a space or material
:
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The central heating system needs to be repaired.
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We turned on the heating as soon as it got cold.
1.
becoming hot or causing something to become hot
:
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The water is slowly heating up.
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The sun's rays are heating the earth's surface.