sterilize
sterilise, v [Tn]
1 make (sth) sterile(4) or free from bacteria 為(某物)消毒或殺菌
sterilized milk 消毒牛奶
sterilized surgical instruments消過毒的外科手術器械.
2 make (a person or an animal) unable to produce young or children (esp by removal or obstruction of the reproductive organs) 使(人)絕育; 使(動物)失去生殖能力
After her fourth child she decided to be/have herself sterilized. 她生了第四個孩子後決定做絕育手術.