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English definition of “spermicide”

spermicide

noun [C or U]     /ˈspɜː.mɪ.saɪd/ US  /ˈspɝː-/
a substance that kills sperm , used especially on condoms or by a woman before she has sex in order to stop herself becoming pregnant Contraception
(Definition of spermicide noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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