elaboration [elaborations](natural process of formation or assimilation by which a crude substance is changed into something of a higher order) noun [UK: ɪ.ˌlæ.bə.ˈreɪʃ.n̩] [US: ə.ˌlæ.bə.ˈreɪʃ.n̩]
recension [recensions](critical revision of a text) noun [UK: rɪ.ˈsen.ʃən] [US: rɪ.ˈsen.ʃən]