 现代英汉词典
n.  避孕
简明英汉词典
n. 避孕, 避孕法
柯林斯英语大词典
contraception 
[ˌkɒntrəˈsɛpʃən]
n the intentional prevention of conception by artificial or natural means. Artificial methods in common use include preventing the sperm from reaching the ovum (using condoms, diaphragms, etc), inhibiting ovulation (using oral contraceptive pills), preventing implantation (using intrauterine devices), killing the sperm (using spermicides), and preventing the sperm from entering the seminal fluid (by vasectomy). Natural methods include the rhythm method and coitus interruptusSee birth control See family planning
WordNet
contraception Noun 1. birth control by the use of devices (diaphragm or intrauterine device or condom) or drugs or surgery (synonym) (hypernym) , , (hyponym)
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