calefaction

/ˌkælɪˈfækʃən/
noun
  1. The process or act of making something hot; heating.
    • Scientists studied the calefaction of the Earth's core.
    • The calefaction of the metal in the forge took several hours.
    • The calefaction of the room was achieved by a small electric heater.
What does "calefaction" mean? | whatsthatwordmean | whatsthatwordmean