The act or process of becoming different. The change in weather was sudden and unexpected.
Coins as opposed to paper currency. I need some change to pay for the parking meter.
The money returned to someone as the balance of the amount paid for something. She gave the cashier a ten-dollar bill and received two dollars in change.
A new or refreshingly different experience. The vacation was a welcome change from her usual routine.
A replacement or substitution. He made a change to the lineup before the game started.