- countdown - counting backward from an arbitrary number to indicate the time remaining before some event (such as launching a space vehicle)
--1 is a kind of count, counting, numeration, enumeration, reckoning, tally
Derived form: verb count down1
- count down - count backwards; before detonating a bomb, for example
--1 is one way to count
Sample sentence:Derived form: noun countdown1
Somebody ----s