The Collaborative International Dictionary
Dephlegmating
Dephlegmate \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.
Wiktionary
dephlegmating
vb. (present participle of dephlegmate English)