countdown

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countdown [′kau̇nt‚dau̇n]

(aerospace engineering)

The process in the engineering definition, used in leading up to the launch of a large or complicated rocket vehicle, or in leading up to a captive test, a readiness firing, a mock firing, or other firing test.

The act of counting inversely during this process.

(communications)

The ratio of the number of interrogation pulses not answered by a transponder to the total number received.

(engineering)

A step-by-step process that culminates in a climatic event, each step being performed in accordance with a schedule marked by a count in inverse numerical order.

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No references found			Byline: MARK JEFFERIES CHANNEL 4 bosses have a new Countdown conundrum - working out how to stop the programme's ratings from falling any lower. Countdown ratings are going down; TELEVISION by The Mirror (London, England) Well, a countdown timer is such a tool just for you Personal Review About Countdown Timer Software by Robert Snoog / Computers and Internet community YOUNG sailing enthusiasts from the Orcel Sea Training initiative helped recently to unveil Hartlepool's countdown clock to The Tall Ships Races 2010. Countdown to the Tall Ships Races by Evening Gazette (Middlesbrough, England)			Count Gyula Andrassy Count Gyula Andrássy Count Karl Von Sturgkh Count Karl Von Stürgkh count noun Count of Monte Cristo Count Palatine Count Romanones Count Santorre di Santarosa count system Count Wenzel Anton Kaunitz Count Zygmunt Krasinski Count's War count-key-data countability axioms countable countably additive countably additive set function countably compact set countably infinite set countably many countably metacompact space countably paracompact space countably subadditive countably subadditive set function countdown counted counter counter apse counter arch counter batten counter circuit counter coupling counter cramp counter dead time counter decade counter gauge counter mode Counter Reformation counter sun Counter Telescope counter terms counter tube counter voltage counter-free machine counter-imbrication Counter-Reformation counter-relief counter/frequency meter Counterapproaches Counterattack			Countable Dense Homogeneous Countable Family Income Countable noun Countable noun Countable set Countable set Countable set countably countably countably Countably additive countably additive set function Countably compact countably compact set Countably compact space Countably infinite set Countably many Countably metacompact countably metacompact space Countably paracompact countably paracompact space countably subadditive countably subadditive set function Countably-compact space Countably-Infinite Source Alphabet Countably-normed space countback countbacks Countbounce countdown Countdown clock Countdown clock Countdown clock Countdown Demonstration Test Countdown Time Countdown to Extinction Countdown to midnight Countdown to Titanic Countdown United Kingdom Countdown's Electronic Calculator in Leeds countdowns countdowns counted counted counted counted counted counted counted blessings counted blessings counted blessings counted blessings counted blessings Counted cross-stitch counted down counted down counted down counted down counted down counted for

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countdown