revolution

noun
UK /ˌrev.əˈluː.ʃən/
US /ˌrev.əˈluː.ʃən/

A revolution is when people work together to change how a country is run.

The American Revolution changed the country's government.


OTHER MEANINGS

2. A complete circle made by something turning around a point.

The Earth makes one revolution around the Sun each year.

3. A big change in the way people do or think about something.

The internet started a revolution in how we share information.

4. The act of turning around a center or axis.

The wheel's revolution was smooth and steady.