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countdown

   Also found in: Acronyms, Encyclopedia, Wikipedia 0.09 sec.
count·down  (kountdoun)
n.
1. The counting backward aloud from an arbitrary starting number to indicate the time remaining before an event or operation, such as the launching of a missile or space vehicle.
2. The checks and preparations carried out during this activity.

countdown [ˈkaʊntˌdaʊn]
n
the act of counting backwards to time a critical operation exactly, such as the launching of a rocket or the detonation of explosives
vb count down (intr, adverb)
(Mathematics) to count numbers backwards towards zero, esp in timing such a critical operation

The step-by-step process leading to initiation of missile testing, launching, and firing. It is performed in accordance with a pre-designated time schedule.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.countdowncountdown - counting backward from an arbitrary number to indicate the time remaining before some event (such as launching a space vehicle)
counting, enumeration, numeration, count, reckoning, tally - the act of counting; reciting numbers in ascending order; "the counting continued for several hours"
Translations
countdown [ˈkaʊntdaʊn] Ncuenta f atrás, cuenta f regresiva(LAm)
countdown [ˈkaʊntdaʊn] ncompte m à rebours
the countdown to sth [+ launch of spacecraft] → le compte à rebours avant qch; [+ event] → le compte à rebours avant qch
countdown
nCountdown m, → Count-down m; to start the countdownmit dem Countdown beginnen
countdown [ˈkaʊntˌdaʊn] nconto alla rovescia
countdown [ˈkaʊntˌdaʊn] nconto alla rovescia


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Since the Ontario government introduced the Countdown Acid Rain program the company has spent close to $1 billion to reduce S02 emission in its Greater Sudbury operations.
In addition to the "'Con Sabot" version, Dees markets a "hot adult contemporary" countdown that he said.
His signature solo pieces of the time, Coverage (1970), which has been part of the Alvin Ailey American Dance Theater repertoire, and Countdown (1964), have withstood the test of time.
 
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