The New York Times Crossword · 10-Across · 5 letters
Underground rock The New York Times Crossword clue
Editorially reviewed September 6, 2026
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Meaning cue
Name the five-letter molten rock beneath Earth's surface.
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Answer
Why it fits
MAGMA is rock material while it remains underground. Once similar molten material reaches the surface, it is called lava, so the location is the decisive clue.
Continue this puzzleMade chitchat →What narrows the clue
Underground distinguishes magma from lava at the surface.
Answer meaning
Magma is molten or partly molten rock beneath Earth's surface.
Where this clue appeared
10-Across in The New York Times Crossword puzzle for September 5, 2026.
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