Pronunciation: /kæl.əˈfæk.ʃən/
noun the process of heating something up; the act of making something warm or hot
A1 Calefaction is the process of heating something up.
A2 The calefaction of the metal caused it to expand.
B1 Proper calefaction is necessary for cooking food safely.
B2 The calefaction of the room made it uncomfortable to stay inside.
C1 Scientists study the effects of calefaction on different materials.
C2 The calefaction of the Earth's atmosphere is a major concern for environmentalists.
formal The calefaction of the room was quickly adjusted by turning up the thermostat.
informal I can feel the calefaction from the fireplace warming up the living room.
slang Let's crank up the heat and get some serious calefaction going!
figurative The calefaction of their argument reached a boiling point as they exchanged heated words.
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