Similar words: count, county, country, count out, count on, recount, account, counter. Meaning: ['kaʊntdaʊn] 
n. counting backward from an arbitrary number to indicate the time remaining before some event (such as launching a space vehicle).
n. counting backward from an arbitrary number to indicate the time remaining before some event (such as launching a space vehicle). 
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(61) The countdown has started to the unveiling of Football Club's new home kit.
(62) I will never employ any device with a digital countdown.
(63) Van der Sloot 's jail - time countdown began the day of his arrest.
(64) London Olympic organisers were left red-faced on Tuesday when a huge clock in Trafalgar Square marking the countdown to the 2012 Games stopped just hours after being unveiled at a glitzy ceremony.
(65) That part of the project also tested my patience and commitment until one day in 2003 I began a nail-biting countdown to the launch of the experiment I'd named Phoenix.
(66) I'd set the tracking system with your safety fuse, and set the countdown for 2000 blues.
(67) This is countdown clock . It tracks the amount of time until launch.
(68) The countdown time must be between 1 and 60 minutes.
(69) We now disabled firing at the end of warmup during match countdown to raise awareness of the match state transition and reduce accidental movement caused activity during the match countdown.
More similar words: count, county, country, count out, count on, recount, account, counter, discount, account for, countless, countable, encounter, accountant, counteract, accounting, countryside, countermand, counterfeit, counterpart, country music, countenance, on account of, accountable, accountancy, bank account, counterpoint, foreign country, account number, unaccountable.