The Collaborative International Dictionary
Dephlegm
Dephlegm \De*phlegm"\, v. t. [Pref. de- + phlegm water; cf. F.
d['e]phlegmer, d['e]flegmer.] (O. Chem.)
To rid of phlegm or water; to dephlegmate. [Obs.]
--Boyle.
Wiktionary
dephlegm
vb. (context obsolete chemistry English) To rid of phlegm or water; to dephlegmate.