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The Collaborative International Dictionary
Semiphlogisticated

Semiphlogisticated \Sem`i*phlo*gis"ti*ca`ted\ (s[e^]m`[i^]*fl[-o]*j[i^]s"t[i^]*k[=a]`t[e^]d), a. (Old Chem.) Partially impregnated with phlogiston. [Obs.]

Wiktionary
semiphlogisticated

a. (context chemistry obsolete rare English) Partially impregnated with phlogiston.