transformation

/ˌtrænsfərˈmeɪʃən/
noun
  1. A complete or major change in the form, appearance, or character of something or someone.
    • The transformation of the caterpillar into a butterfly is a fascinating natural process.
    • The old factory underwent a remarkable transformation into a modern art museum.
    • Her healthy diet and exercise routine led to an amazing physical transformation.
  2. In mathematics, a change in the position, size, or shape of a figure (such as a rotation, reflection, or translation).
    • In geometry class, we learned how to perform a rotation transformation on a triangle.
    • A translation transformation slides a shape without rotating or flipping it.
    • The teacher asked us to apply a reflection transformation to the square across the y-axis.
  3. In linguistics, the process of changing a sentence from one structure to another (e.g., from active to passive voice).
    • The transformation from active to passive voice changes the focus of the sentence.
    • Students practiced the transformation of declarative sentences into questions.
    • A simple transformation can turn 'The cat chased the mouse' into 'The mouse was chased by the cat.'