D defs.my
Entry 2 senses · 2 variants Webster, 1913

Prophylactic

/präfˌ-ĭl-ăk'-tĭk/ · Proph·y·lac·tic · IPA /pɹɒfəˈlæktɪk/
01 n. A medicine which preserves or defends against disease; a preventive.
  1. 1.
    A medicine which preserves or defends against disease; a preventive.(Med.)
02 a. Defending or preserving from disease; preventive.
  1. 1.
    Defending or preserving from disease; preventive.(Med.)