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Prefix meaning "one-thousandth" Crossword Clue

5 letters · New York Times · Wednesday, December 31, 2025 · 47-Down

Appeared in 1 New York Times Crossword: Wednesday, December 31, 2025.

Exact puzzle match · New York Times · December 31, 2025 · 47-Down · 5 letters

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What does this clue mean?

In the International System of Units and other metric systems of units, one-thousandth of the unit to which it is prefixed; that is, multiplying the unit to which it is attached by 10⁻³. Symbol: m.

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WordNet® (Princeton University)

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