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Medical Dictionary


adj pro·phy·lac·tic \ˌprō-fə-ˈlak-tik also ˌpräf-ə-\

Medical Definition of PROPHYLACTIC

:  guarding from or preventing the spread or occurrence of disease or infection <prophylactic therapy>
:  tending to prevent or ward off :  preventive
pro·phy·lac·ti·cal·ly \-ti-k(ə-)lē\ adverb
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