a. Obs. rare. [f. L. type *extersīvus: see EXTERSE and -IVE.] Having the property of wiping off or out; cleansing.
1657. Tomlinson, Renou’s Disp., 700. We have … concinnated this rhyptical or extersive Medicament.
1661. Lovell, Hist. Anim. & Min., 73. The ashes … are extersive and digesting.
