Phlogisticate

Phlo‐gis″ti‐cate (?), v. t. [imp. & p. p.Phlogisticated (?); p. pr. & vb. n.Phlogisticating.] (Old Chem.) To combine phlogiston with; — usually in the form and sense of the p. p. or the adj.; as, highly phlogisticated substances.