sterilization
noun [ U ] (UK usually sterilisation) uk/ˌster.ɪ.laɪˈzeɪ.ʃən/ us/ˌster.ə.ləˈzeɪ.ʃən/
(STOP CHILDREN)
绝育，结扎
the process of having a medical operation to make it impossible to have children
My wife and I have discussed sterilization, but we haven't made a decision about it yet. 我和妻子商量过绝育，不过我们还没有拿定主意。
(CLEANING)
消毒，灭菌
the process of making something completely clean and free from bacteria
The needles have been sent off for sterilization. 那些针头送去消毒了。