De*phleg"mate (?), v. t. [imp. & p. p. Dephlegmated; p. pr. & vb. n. Dephlegmating.] [See Dephlegm.] Chem.
To deprive of superabundant water, as by evaporation or distillation; to clear of aqueous matter; to rectify; -- used of spirits and acids.
© Webster 1913.