evolution
nounUK /ˌiːvəˈluːʃən/
US /ˌevəˈluːʃən/
The slow way living things change over a very long time.
The evolution of birds from dinosaurs took millions of years.
RELATED WORDS
OTHER MEANINGS
2. A gradual process of change or development in something.
The evolution of the telephone from a heavy box to a slim phone is amazing.
3. The way a plan, idea, or situation slowly unfolds or develops.
We watched the evolution of the story as more details came out.
4. A movement in a set pattern, such as soldiers or dancers changing position.
The dancers practiced their evolution across the stage.