Contraceptive preparations that kill sperm. They may be in the form of gels, pessaries, cream or foam and should be used with a barrier contraceptive such as a diaphragm or a condom. (See CONTRACEPTION.)
n. an agent that kills spermatozoa. Creams and jellies containing chemical spermicides are used – in conjunction with a *diaphragm – as contraceptives. —spermicidal adj.
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