countdown ( synonym found)
Definition of countdown:

°A count backward in fixed units to the time of some event, especially the launch of a space vehicle.
°The acts of preparation carried out during this period.
°To count down.
Definition of countdown:

°A count backward in fixed units to the time of some event, especially the launch of a space vehicle.
°The acts of preparation carried out during this period.
°To count down.
Back to Top