onanism

• 指通过手淫刺激生殖器以获得性快感的行为，也指一种避孕方法，即在射精前中断性交。

A noun referring to the act of manual stimulation of the genital organs for sexual pleasure, or a method of birth control involving withdrawal before ejaculation.

不可数

1. Self-stimulationC2formal

   Manual stimulation of the genital organs for sexual pleasure, typically referring to oneself.

   自慰

   • The text discussed the historical views on onanism.
   • In some cultures, onanism was considered a taboo subject.
   • The book explored the psychological aspects of onanism.

   同义词autoeroticismmasturbationself-abuseself-gratificationself-stimulation

2. Withdrawal methodC2formal

   A method of birth control where coitus is initiated but the penis is deliberately withdrawn before ejaculation.

   体外排精

   • Onanism as a contraceptive method is not very reliable.
   • The practice of onanism for birth control has been documented for centuries.
   • Some couples rely on onanism to avoid pregnancy.

   同义词coitus interruptuswithdrawalwithdrawal method

   反义词conceptionejaculationimpregnationinsemination