distillation

(dis-til-a’shun). Vaporization; the proce of distilling and condensing vapor. destructive d., that which is attended with chemic decomposition and formation of new compounds in the distillate. dry d., distillation of solids without the addition of liquids. fractional d., that which is attended by the succe ive separation of volatilizable substances in the order of their respective volatibility.