(1)绝育(手术)
绝育手术可因为避孕、治疗、优生或刑罚等而实施。在美国一些州的制定法中规定可对某些特定的罪犯施行惩罚性的绝育手术。另有一些州允许对某些精神病患者施行此手术，以剥夺其生育权。

(2)消毒；灭菌

• cas fortuits
• cash
• cash account
• cash against documents
• cash bail
• cash basis
• cash basis accounting
• cash book
• cash budget
• cash customer
• cash cycle
• cash discount
• cash dividend
• cash equivalent doctrine
• cash flow
• cashier
• cashier's check
• cashlite
• cash market
• cash market value
• cash method
• cash note
• cash on delivery
• cash on demand
• cash on hand