fractional distillation(redirected from Air distillation)
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the process of vaporizing and condensing a substance to purify it or to separate a volatile substance from less volatile substances. Called also vaporization.
fractional distillation separation of volatilizable substances into a number of fractions, based on their different boiling points.
distillation of a compound liquid at varying degrees of heat whereby the components of different boiling points are collected separately.