preventing or contributing to the prevention of disease; "preventive medicine"; "vaccines are prophylactic"; "a prophylactic drug"病気を防ぐあるいは予防に寄与する予防的
例:a prophylactic drug 予防薬
warding off; "the swastika...a very ancient prophylactic symbol occurring among all peoples"- Victor Schultze避けるさま警戒的
例:The swastika...a very ancient prophylactic symbol occurring among all peoples- Victor Schultze. まんじ…全ての民族の間に起こる古代のお守りのシンボル?ビクター・シェルツェ。
remedy that prevents or slows the course of an illness or disease; "the doctor recommended several preventatives"疾患または疾患の過程を防ぐか、遅らせる治療予防薬
contraceptive device consisting of a sheath of thin rubber or latex that is worn over the penis during intercourse性交の間避妊や予防のためペニスに被せる薄いゴムまたはラテックスのコンドーム予防医学