Definition of countdown in English:

countdown

noun

  • 1usually in singular An act of counting numerals in reverse order to zero, especially to time the last seconds before the launching of a rocket or missile.

    ‘the launch crews would begin their final countdown’
    • ‘A series of meetings will take place Thursday to discuss the problem and determine the steps necessary to get back into the launch countdown.’
    • ‘Initial data analysis performed last night showed that the countdown, engine ignition and initial phase of flight were normal.’
    • ‘From behind me Ben shouted out a countdown, and then began his eight beat introduction.’
    • ‘In Florida today, NASA beginning its countdown for the first space shuttle launch since the Columbia disaster more than two years ago.’
    • ‘So far he's been seen baiting the crowd with false information, and leading them in a countdown from 10 to zero for no apparent reason.’
    • ‘The mental countdown continued in his head: four, three, two, one.’
    • ‘More and more of a crowd began to enter the room, stuffing the whole area and turning it into a claustrophobic matchbox as the final countdown began.’
    • ‘The computer beeped a countdown from five to zero, and wooden spheres appeared and swooped down to try to hit the user.’
    • ‘Once the countdown reached zero the cart began to move, accelerating rather rapidly.’
    • ‘To follow the launch countdown and the post-launch events watch the live webcam from the mission control room and follow our simplified launch status table in the attached link.’
    • ‘When I surfaced, I heard the countdown beginning from ten.’
    • ‘Dr. Kraft worked to develop the countdown, launch, and flight procedures, as well as the design of Mission Control itself at the Cape and later in Houston.’
    • ‘Any pre-launch irregularities noted during a countdown can cause a launch to be aborted.’
    • ‘The countdown will resume at the beginning of next week.’
    • ‘Everyone leaned forward in anticipation as the final countdown began.’
    • ‘The eleven o'clock ‘off’ from the City Hall came quickly and with the countdown from ten to zero, the Santas were on their way.’
    • ‘The US space agency NASA began its countdown Saturday for tomorrow's rescheduled launch of the Space Shuttle Discovery.’
    • ‘As the countdown reached zero he fully squeezed the trigger.’
    • ‘All the while, we watch as a nuclear bomb starts a countdown to zero.’
    • ‘The countdown has begun for Atlantis to lift off Thursday.’
    • ‘The countdown was stopped when a problem was detected in the computer dialogue between the control center and the launcher.’
    • ‘When all of these steps have been completed, a complete dress rehearsal of the final days of the countdown and liftoff is conducted.’
    1. 1.1often countdown to The final moments before a significant event and the procedures carried out during this time.
      ‘it is hard to imagine the countdown to war continuing without an intensification of diplomacy’
      • ‘The countdown has begun for the launch of the latest reality TV show from Endemol, the makers of Big Brother, and this really could be the one to end them all.’
      • ‘With the holiday period drawing to a close, for many today will be their final 24 hours free from the toils of labour, before a return to work and the seemingly perpetual countdown to the summer holiday.’
      • ‘But, as the countdown to a possible war continues, the views of a politician who argues against war, under any circumstances, provide a different perspective on the debate.’
      • ‘The White House stood shrouded in weekend quiet, but the countdown to war was continuing.’
      • ‘Cycling is a sport obsessed with numbers and as the countdown to next year's Commonwealth Games gathers momentum, such figures come into sharper focus.’
      • ‘The final countdown has begun for the release of the latest instalment in the adventures of storybook wizard Harry Potter.’
      • ‘A convoy of lorries was seen heading towards B - 52 bombers at RAF Fairford yesterday as the countdown to war in Iraq entered its final hours.’
      • ‘As the countdown to war continues Britain can be expected to contribute at least 12,000 troops as well as RAF, Navy and Special Forces units.’
      • ‘The countdown has started for teachers from around the United States striving to become permanent members of NASA's Astronaut Corps.’
      • ‘With just 12 weeks to go until the Oscars, the Los Angeles Film Critics' Association awards mark the start of the countdown to the showpiece event.’
      • ‘Libraries across North Wiltshire will resound with festive cheer in the countdown to Christmas with a series of special events for children.’
      • ‘Living as I do in mainland Europe, every day of the past few months has been a countdown to the Euro.’
      • ‘While people are taking to the streets in unprecedented numbers, the countdown to war is inexorably proceeding.’
      • ‘He was forced to redraft this advice as the countdown to war continued.’
      • ‘We are fast approaching the countdown to our big event.’
      • ‘In the countdown to war, the aluminium tubes remained in the political spotlight and the fight between the US intelligence agencies was now on in earnest.’
      • ‘So in the final countdown, how are they doing, and how are their support crews of officials and friends helping out with last minute preparations?’
      • ‘In the countdown to Christmas a host of events are planned, including a new Children's Fair from November 18 to 20 in and around Parliament Street.’
      • ‘But there's a lot of pressure at the moment with the countdown to this UN deadline, also to try and resolve the issue of peacekeepers as well.’
      • ‘This should serve as a timely warning to all as the countdown to Hallowe'en continues.’
    2. 1.2 A digital display that counts down.
      • ‘Chris was standing with Chrissy on his arm, both of them watching the large digital countdown clock, which read five minutes.’
      • ‘A computer monitor ran a countdown silently, reading ‘3: 40,’ and was dropping fast.’
      • ‘Everybody was waiting: a digital clock overhead marked the minutes, repeated the countdown from 15 to the moment of decision.’
      • ‘Allison smiled as she watched the five-minute countdown activate on the monitor.’
      • ‘I notice a digital countdown projected below the Napoleon-guy: 1.69, and quickly descending.’
      • ‘He pressed the command conformation key, but the countdown didn't cease to stop.’
      • ‘To commemorate the closing of Veterans Stadium, the Phillies are displaying a countdown banner on the out field wall that shows how many home games remain.’
      • ‘A clock now marks the countdown to the one-year anniversary.’
      • ‘I will never employ any device with a digital countdown.’
      • ‘The countdown on the screen was now at twenty seconds.’
      • ‘A countdown is displayed over the grenade, and you see the exact trajectory it will take.’
      • ‘The best is a digital countdown timer, but any watch or one-minute hand timer will do.’
      • ‘Recently, the impregnable force field surrounding this device began to display a countdown clock that suggested it would deliver its message at noon yesterday.’
      • ‘After her first attempt to crack the code failed (she guessed it), the countdown appeared on the clock's display.’

Pronunciation

countdown

/ˈkaʊn(t)daʊn//ˈkoun(t)doun/