What is the answer to "Nuclear energy source" in the Newsday Crossword?

The answer to the Newsday Crossword clue "Nuclear energy source" is ATOM (4 letters).

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Nuclear energy source Newsday Crossword Clue

Down clue · from the October 7, 2025 puzzle

Stuck on “Nuclear energy source” from the Newsday Crossword? Here is the verified answer:

Answer

ATOM

4 letters · Down · last seen October 7, 2025

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