that functions; that can be used 运作的；可实行的；可使用的 Less than half the rail network was operable. 只有不到一半的铁路网络可以使用。
(of a medical condition 医疗状况 that can be treated by an operation 可以动手术的 This type of cancer is usually operable. 这种类型的癌症通常是可手术的。
opposite inoperable
Word Originmid 17th cent.: from late Latin operabilis, from Latin operari ‘expend labour on’, from opus, oper- ‘work’.