Definition of perflation in US English:

perflation

noun

  • The action of blowing through or on something; especially ventilation provided by air blowing through a space; an instance of this.

Origin

Mid 17th century; earliest use found in Thomas Browne (1605–1682), physician and author. From post-classical Latin perflation-, perflatio action of blowing through from classical Latin perflāt-, past participial stem of perflāre + -iō.

Pronunciation

perflation

/pəˈfleɪʃn/