Word | Noun | Adjective | Verb | Adverb |
---|---|---|---|---|
countdown | Yes | No | No | No |
count down | No | No | Yes | No |
countdown (noun) | count down (noun) |
---|---|
counting backward from an arbitrary number to indicate the time remaining before some event (such as launching a space vehicle) |
countdown (verb) | count down (verb) |
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count backwards; before detonating a bomb, for example |