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Start for metric or magnetic WSJ Crossword Clue

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Frequently Asked Questions About This Clue

The most common and recent 3-letter answer for "Start for metric or magnetic" is GEO.
The clue refers to prefixes used in scientific terms. 'Geo' is a prefix meaning 'earth,' and it is used in words like 'geometric' (relating to geometry) and 'geomagnetic' (relating to the earth's magnetic field).
This clue was last seen in the WSJ Crossword on January 31, 2026.
Geo is a prefix meaning 'earth' or 'ground,' often used in scientific contexts.
Prefix with physics or thermal, Prefix with cache, Prefix meaning "earth", Prefix with physical or politics, ___Guessr, map-based online game

The clue “Start for metric or magnetic” is a classic crossword staple, frequently appearing in puzzles like the WSJ crossword. For the puzzle dated January 31 2026, the definitive 3-letter answer is: GEO.

Expert Tip: When you’re stuck, try to analyze the structure of the clue itself. Is it a direct definition, a pun, a fill-in-the-blank, or a pop culture reference? Identifying the type of clue you’re dealing with is a key skill for improving your solving speed.

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