countdown

US /ˈkaʊntˌdaʊn/

UK /ˈkaʊntdaʊn/

C2

noun

  • Counting backward to zero to show the time left
  • A period of time leading up to an event, counting backward to zero.
  • The act of counting backward to zero.
  • An event involving counting backward to zero.

other

  • To count backwards to zero.

other

  • To count something down to zero.