D defs.my
Entry 1 sense Webster, 1913

Prophylaxis

· Proph·y·lax·is · IPA /pɹɔfɪˈlæksɪs/
01 n. The art of preserving from, or of preventing, disease; the observance of the rules necessary for the preservation of health; preservative o…
  1. 1.
    The art of preserving from, or of preventing, disease; the observance of the rules necessary for the preservation of health; preservative or preventive treatment.(Med.)