transformation
nounUK /ˌtrænsfəˈmeɪʃən/
US /ˌtrænsfərˈmeɪʃən/
A big change that makes someone or something look or work very differently.
The caterpillar's transformation into a butterfly is amazing to watch.
OTHER MEANINGS
2. A complete change in a person's character or behavior.
Her transformation from shy student to confident speaker surprised everyone.
3. A change in the form of energy or matter.
The transformation of water into steam happens when it boils.
4. A mathematical operation that changes the position or size of a shape.
The teacher showed us a transformation that flips a triangle.