countdown

[kount-doun]

noun

1. the backward counting in fixed time units from the initiation of a project, as a rocket launching, with the moment of firing designated as zero.

2. the final preparations made during this period.

3. a period of increasing activity, tension, or anxiety, as before a deadline.

countdown

/ ˈkaʊntˌdaʊn /

noun

1. the act of counting backwards to time a critical operation exactly, such as the launching of a rocket or the detonation of explosives

verb

1. to count numbers backwards towards zero, esp in timing such a critical operation

Word History and Origins

Origin of countdown¹

1950–55, noun use of verb phrase count down

Example Sentences

The Israeli troop withdrawal sets up the cease-fire and starts a 72-hour countdown for the release of the hostages, mediators say.

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When Gemini for Home rolls out, you can say, “Set a timer for roasted carrots”—Gemini will ask appropriate follow-ups and start a countdown.

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His opposing number has had a more cluttered countdown.

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It is the countdown for one of England's most reliable attacking launchpads - the driven line-out.

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In the countdown to the 2010 Rugby World Cup, her hair began to fall out.

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