that functions; that can be used 運作的；可實行的；可使用的 Less than half the rail network was operable. 只有不到一半的鐵路網絡可以使用。
(of a medical condition 醫療狀況 that can be treated by an operation 可以動手術的 This type of cancer is usually operable. 這種癌症通常是可手術的。
opposite inoperable
Word Originmid 17th cent.: from late Latin operabilis, from Latin operari ‘expend labour on’, from opus, oper- ‘work’.