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Reflex measurement

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USA Today Up & Down Words clue · answer #4 in the chain · last seen August 13, 2026

Answer
REACTION
TIME
REACTION TIME · 12 letters · two-word phrase

About this clue

The Up & Down Words clue “Reflex measurement” has the answer REACTION TIME. It is answer #4 in the chain — in this puzzle, the second word of each answer becomes the first word of the next. See the full August 13, 2026 chain for all seven answers, or browse every Up & Down Words puzzle.