Noun:

1. the act of making an organism barren or infertile (unable to reproduce)

2. the procedure of making some object free of live bacteria or other microorganisms (usually by heat or chemical means)

purificationn.净化；提纯；[宗]涤罪

cleansingn.净化(垃圾)adj.清洁用的动词cleanse的现在分词.

disinfectionn.消毒

fumigationn.烟熏；熏蒸消毒法

decontaminationn.净化；排除污染

pasteurizationn.巴氏消毒法；加热杀菌法

neuteringadj.中性的；不及物的；生殖器不完全的n.中性词；无性动物v.阉割

vasectomyn.输精管切除

hysterectomyn.子宫切除(术)

castrationn.去势；去药；削正；去雄

geldingn.去势；去势的人或牲畜

spayingv.取掉卵巢

sterilisationn.不毛；灭菌=sterilization(美).

1. The acquisition gives Pro Mach retorting and sterilization capabilities.
   此次收购使临马赫罐和消毒的能力。
2. Management shall keep records of condemned meat products received for sterilization from registered establishments.
   管理人员应当记录从注册工厂收取的以便消毒的禁止食用的肉类产品。
3. Liquid food cold sterilization is a new developing technique.
   流体食品冷灭菌是一类新型灭菌技术。
4. Several novel disinfectant and sterilization processes are under development.
   一些新的消毒剂与灭菌剂正在研制中。