Origin of countdown
How to use countdown in a sentence
In other words, the free speech exhibited by the folks at Charlie Hebdo was not virtuous—until there was a body count.
Clad in a blue, striped button-down, a silver watch adorning his left wrist, Huckabee beams on the cover.Huckabee 2016: Bend Over and Take It Like a Prisoner!|Olivia Nuzzi|January 8, 2015|DAILY BEAST
That article noted that the F-35 does not currently have the ability to down-link live video to ground troops,.
A grand juror in the Ferguson case is suing to be able to explain exactly what went down in the courtroom.
The gunman then burst from the restaurant and fled down the street with the other man.
The bride elect rushes up to him, and so they both step down to the foot-lights.Physiology of The Opera|John H. Swaby (AKA "Scrici")
I take the Extream Bells, and set down the six Changes on them thus.Tintinnalogia, or, the Art of Ringing|Richard Duckworth and Fabian Stedman
His wife stood smiling and waving, the boys shouting, as he disappeared in the old rockaway down the sandy road.The Awakening and Selected Short Stories|Kate Chopin
So he bore down on the solemn declaration that she stood face to face with a prison term for perjury.The Bondboy|George W. (George Washington) Ogden
Do not the widow's tears run down the cheek, and her cry against him that causeth them to fall?The Bible, Douay-Rheims Version|Various
British Dictionary definitions for countdown
Other Idioms and Phrases with countdown
Count backward from any number to zero to indicate time, as in The final seconds before take off were counted down: 10, 9, 8, etc. The down in this term refers to the decreasing size of the numbers. This usage originated in connection with the firing of missiles and spacecraft and has since been broadened to such events as the roll call of states at a political convention. [c. 1950]
Make final preparations for an event, as in Hong Kong was counting down to the day when it became part of mainland China. This usage is derived from def. 1. [Late 1950s]