noun
transformational component
Technical term in generative grammar; refers to the part of a grammar that handles transformations.
生成文法では、変形部門が深層構造を表層構造に変換する。
In generative grammar, the transformational component converts deep structure into surface structure.
Compound of 変形 (transformation) and 部門 (component, division). A calque from English 'transformational component'.