noun🔗Share予防薬、予防策A medicine which preserves or defends against disease; a preventive."The dentist recommended a fluoride treatment as a prophylactic against cavities. "歯科医は虫歯予防としてフッ素治療を勧めました。medicinediseaseChat with AIVocabulary GamePractice Reading
noun🔗Share予防策、予防手段Any device or mechanism intended to prevent harmful consequences."The securities laws are a prophylactic against stock fraud."証券法は株式詐欺に対する予防策です。medicinedeviceChat with AIVocabulary GamePractice Reading
adjective🔗Share予防の, 予防的なServing to prevent or protect against an undesired effect, especially disease."Washing your hands frequently is a good prophylactic measure against catching a cold. "頻繁な手洗いは、風邪をひくことに対する良い予防策です。medicinediseaseChat with AIVocabulary GamePractice Reading