Countdown

//ˈkaʊntˌdaʊn// noun, verb

Definitions

Noun
  1. 1
    A count backward in fixed units to the time of some event, especially the launch of a space vehicle.
  2. 2
    counting backward from an arbitrary number to indicate the time remaining before some event (such as launching a space vehicle) wordnet
  3. 3
    The acts of preparation carried out during this period.
  4. 4
    A radio or television program counting down the top songs of a given week, usually in reverse order and ending with the number one song.
Verb
  1. 1
    To count down. nonstandard

    "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."

Etymology

Etymology 1

From count + down.

Etymology 2

From count + down.

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