English edit

Etymology edit

From Latin exustio, from exurere, exustum (to burn up), from ex (out) + urere (to burn).

Noun edit

exustion (uncountable)

  1. (obsolete) The act or operation of burning up.
    • 1748, William Lewis, The Pharmacopoeia of the Royal College of Physicians at Edinburgh:
      The exustion, here directed to be performed in an open fire, is with an intent to dislodge the remaining oil from the hartshorn []