contraceptive device consisting of a sheath of thin rubber or latex that is worn over the penis during intercourse 同义词:condom, rubber, safety, safe
remedy that prevents or slows the course of an illness or disease; "the doctor recommended several preventatives" 同义词:preventive, preventative
形容词
preventing or contributing to the prevention of disease; "preventive medicine"; "vaccines are prophylactic"; "a prophylactic drug" 同义词:preventive, preventative
warding off; "the swastika...a very ancient prophylactic symbol occurring among all peoples"- Victor Schultze 同义词:cautionary
capable of preventing conception or impregnation; "contraceptive devices and medications" 同义词:contraceptive, antifertility