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Proph`y*lac"tic (?), n. [Cf. F. prophylactique.] Med.

A medicine which preserves or defends against disease; a preventive.

 

© Webster 1913.


Proph`y*lac"tic (?), 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.

 

© Webster 1913.