Start for biology or skeleton WSJ Crossword Clue
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The most common and recent 3-letter answer for "Start for biology or skeleton" is EXO.
The clue refers to prefixes used in scientific terms. 'Exo-' is a prefix meaning 'outside' or 'external,' used in words like 'exoskeleton' and 'exobiology.'
This clue was last seen in the WSJ Crossword on July 16, 2026.
A prefix meaning external or outside, often used in scientific contexts.
Prefix with skeleton, Start for skeleton or sphere, Skeletal prefix
The clue “Start for biology or skeleton” is a classic crossword staple, frequently appearing in puzzles like the WSJ crossword. For the puzzle dated July 16 2026, the definitive 3-letter answer is: EXO.
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