prophylactic

Noun
  1. Remedy that prevents or slows the course of an illness or disease (synset 104008384)
    "the doctor recommended several preventatives"
  2. Contraceptive device consisting of a sheath of thin rubber or latex that is worn over the penis during intercourse (synset 103092620)
Adjective
  1. Capable of preventing conception or impregnation (synset 301893918)
    "contraceptive devices and medications"
  2. Warding off (synset 301893737)
    "the swastika...a very ancient prophylactic symbol occurring among all peoples"
  3. Preventing or contributing to the prevention of disease (synset 301170813)
    "preventive medicine"; "vaccines are prophylactic"; "a prophylactic drug"

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