Share this entry

calefaction Line breaks: cale|fac¦tion
Pronunciation: /kalɪˈfakʃ(ə)n/

Definition of calefaction in English:

noun

[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°.

Origin

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

Share this entry

 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources