revolution

US /ˌrɛvəˈluʃən/

UK /ˌrevə'lu:ʃn/

B1

noun

  • When a group overthrows an existing government
  • Sudden or significant change in something
  • Full circular movement around something

Examples

He achieved a virtual revolution in the way music is recorded.

As the eighteenth century wore on, an agricultural revolution took place.