Definition from Wiktionary, the free dictionary
Jump to: navigation, search


Wikipedia has an article on:

Alternative forms[edit]


From count +‎ down.


  • (noun) IPA(key): /ˈkaʊntˌdaʊn/


countdown ‎(plural countdowns)

  1. A count backward in fixed units to the time of some event, especially the launch of a space vehicle.
  2. The acts of preparation carried out during this period.
  3. A radio or television program counting down the top songs of a given week, usually in reverse order ending with the No. 1.



countdown ‎(third-person singular simple present countdowns, present participle countdowning, simple past and past participle countdowned)

  1. (nonstandard) To count down.
    • 1994, Yifeng Yuan, Polarized fluorescence photobleaching for measuring fast rotational motion of cell surface receptors:
      This was accomplished in the old system by polling a software variable representing the number of prebleach bin and issuing a software command to trigger the AOM once the variable has countdowned to zero.
    • 2000, Stephen Mark Cox, Cluck:
      Time measures itself out in a series of diminishing peristaltic ticks, countdowning slowly towards the miracle of Ignition.
    • 2003, Edward Stone Cohen, Firewater, ISBN 1888451432, page 129:
      Whole families stood gawking at the massive statue, countdowning the five remaining minutes to the big one.