Transmutation (noun)

1. The act of transforming or the state of being transformed.
2. A change from one substance into another, especially a change involving the conversion of one chemical element into another.
3. A change in form, appearance, nature, or character.

Origin:

Late 16th century: from latin transmutatio(n-), from transmutare "to change from one form into another", from trans- "across" + mutare "to change".

Examples:

1. The transmutation of the caterpillar into a butterfly was a miraculous transformation.
2. The scientist was studying the transmutation of elements in the nuclear reactor.
3. The transmutation of the prince into a beast was the result of a cursed spell.
4. The transmutation of the city from a small town into a bustling metropolis was a remarkable achievement.
5. The transmutation of the economy from an agricultural to an industrial base took several decades.