(Law)(of goods contracted for without an individual specimen being specified) able to replace or be replaced by another identical item; mutually interchangeable (律)(未指定样品的约定货物)可与同样货物互相代替的;可互换的
派生 fungibility noun 语源
late 17th cent.: from medieval Latin fungibilis, from fungi 'perform, enjoy', with the same sense as fungi vice 'serve in place of'