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prophylactical |
1 definition found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Prophylactic \Proph`y*lac"tic\, Prophylactical \Proph`y*lac"tic*al\, a. [Gr. ?, fr ? to guard against; ? before + ? to guard: cf F. prophylactique.] (Med.) Defending or preserving from disease; preventive. --Coxe.