Definition of calefaction in English:

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Pronunciation: /kalɪˈfakʃ(ə)n/


[mass noun] rare
The process of heating or warming.
Example sentences
  • Such ecological alterations as have been observed as a result of the local calefaction of the river to date appear to be relatively inconsequential.
  • It is entirely erroneous to say all calefaction is from solar rays directly.
  • The calefaction point of water is 178°, and that of alcohol 128°.


Late Middle English: from Old French, or from late Latin calefactio(n-), from calefacere 'make warm' (see calefacient).

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