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Adjective: prophylactic  ,prow-fu'lak-tik [N. Amer], ,pró-fu'lak-tik [Brit]
  1. Capable of preventing conception or impregnation
    "prophylactic devices and medications";
    - contraceptive, antifertility
  2. Warding off
    "the swastika...a very ancient prophylactic symbol occurring among all peoples";
    - cautionary
  3. Preventing or contributing to the prevention of disease
    "vaccines are prophylactic"; "a prophylactic drug";
    - preventive, preventative
Noun: prophylactic  ,prow-fu'lak-tik [N. Amer], ,pró-fu'lak-tik [Brit]
  1. Remedy that prevents or slows the course of an illness or disease
    "the doctor recommended several prophylactics";
    - preventive, preventative
  2. Contraceptive device consisting of a sheath of thin rubber or latex that is worn over the penis during intercourse
    - condom, rubber [N. Amer, informal], safety, safe, franger [Austral, informal], French letter [Brit, archaic, informal], protective, johnny [Brit, informal]

Derived forms: prophylactics

See also: healthful, protective

Type of: birth control device, contraceptive, contraceptive device, curative, cure, preventative, preventive, prophylactic device, remedy, therapeutic

Encyclopedia: Prophylactic