evolution (ev” uh LOO shuhn)
Process of change, typically involving development from a less complex status to a more complex one: “The evolution of childhood is marked by many opportunities for fun and learning.”
revolution (rev” uh LOO shuhn)
1. An unexpected, fundamental, and radical change, often in relation to a political context: “The student revolution on the university campus surprised everyone.”
2. A measure of time for a celestial body to complete the orbit around its axis: “The approximate revolution of the earth around the sun is 365 days.”
The theory of evolution caused a revolution in the way people understood the laws of natural history.
evolution, revolution
