Ŭs'tu-lā'tion, n.

noun

n. [Fr. ustulation, from Lat. ustulare, to scorch, from urere, ustum, to burn.] 1. The act of burning or searing. [Rare.] Petty.

  1. (Chem.) The operation of expelling one substance from another by heat, as sulphur and arsenic from ores, in a muffle. [Obs.]
  2. (Pharmacy.) (a.) The roasting or drying of moist substances so as to prepare them for pulverizing. (b.) The burning of wine.
  3. Concupiscence. [Obs. or rare.]

It is not certain that they took the better part when they chose ustulation before marriage, expressly against the apostle. Bp. Taylor.