IPA: /ˌtrænsfərˈmeɪʃən/
KK: /trænsfərˈmeɪʃən/
A significant change in form, appearance, or character, often leading to improvement.
The transformation of the old factory into a modern art gallery was impressive.
Transformation → It is formed from "trans-" (meaning across) and "formare" (meaning to shape or form). The word describes the process of shaping or forming something across a change.
Think of something being 'shaped' ('formare') in a new way 'across' ('trans-') — that's what transformation means.