dephlegmate

De*phleg"mate, v. t. [imp. & p. p. Dephlegmated; p. pr. & vb. n. Dephlegmating.] Etym: [See Dephlegm.] (Chem.) Defn: To deprive of superabundant water, as by evaporation or distillation; to clear of aqueous matter; to rectify; -- used of spirits and acids.

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