a. Obs. rare. [f. CONCLUSION + -AL: perh. repr. a med.L. *conclūsiōnālis.] Of or pertaining to the conclusion; final.

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1471.  Ripley, Comp. Alch., in Ashm. (1652), 188. Thys one Secrett conclusyonal know thou.

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1695.  G. Hooper, Disc. Lent, 278 (T.). Conclusional separations.

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