Obs. [ad. L. admistiōn-em (also admixtiōn-em), see ADMIXT.] A by-form of ADMIXTION.
1660. T. Stanley, Hist. Philos. (1701), 482/1. That the admistion of some humors, in those who are unsound, excites Phantasies.
1697. Wallis, in Misc. Curiosa (1708), II. 317. The admistion of Charcole being chiefly to keep the Parts separate.