countdown.
A count backward in fixed units to the time of some event, especially the launch of a space vehicle.
Meaning & usage
A count backward in fixed units to the time of some event, especially the launch of a space vehicle.
The acts of preparation carried out during this period.
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.
Where this word comes from
From count + down.
To count down.
Where this word comes from
From count + down.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.