ex·ten·sion·al /ɪkˈstɛnʧnəl, ˈstɛn(t)ʃənḷ/ (a.)外延的;客觀現實的,具體的
Ex·ten·sion·al a. Having great extent. ◄ ►
extensional adj : used of the class of entities to which a given word correctly applies