De`phlo*gis"tic*cate (?), v. t. [imp. & p. p. Dephlogisticated (?); p. pr. & vb. n. Dephlogisticating.] [Pref. de- + phlosticate: cf. F. d'ephlogistiguer.] O. Chem.
To deprive of phlogiston, or the supposed principle of inflammability.
Dephlogisticated air, oxygen gas; -- so called by Dr. Priestly and others of his time.
-- De`phlo*gis`ti*ca"tion (#), n.
© Webster 1913.