Definition of difflation in US English:

difflation

noun

  • Chemistry. The process in which vapour produced by heating a solid is driven off by a current of air. Now historical and rare.

Origin

Mid 16th century (in an earlier sense). From post-classical Latin difflation-, difflatio from classical Latin difflāt-, past participial stem of difflāre + -iō.

Pronunciation

difflation

/dɪˈfleɪʃn/