Unscramble

c 3 o 1 u 1 n 1 t 1 d 2 o 1 w 4 n 1

9 letters · 15 points in Scrabble

Meaning

noun counting backward from an arbitrary number to indicate the time remaining before some event (such as launching a space vehicle)

originFrom count + down.

Etymology from Wiktionary, CC BY-SA 3.0

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