Proph`y*lac"tic(?), n. [Cf. F. prophylactique.] (Med.) A medicine which preserves or defends against disease; a preventive.
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.
Proph`y*lax"is(?), n. [NL. See Prophylactic.] (Med.) The art of preserving from, or of preventing, disease; the observance of the rules necessary for the preservation of health; preservative or preventive treatment.
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Fri 14th December 2018