the act of making an organism barren or infertile (unable to reproduce)

birth control by the use of devices (diaphragm or intrauterine device or condom) or drugs or surgery

a sterilization procedure with women; both Fallopian tubes are tied in two places and the tubes removed in between the ligations

surgical procedure that removes all or part of the vas deferens (usually as a means of sterilization); is sometimes reversible