Crossword clue

“Atomic reaction co-discovered by 44-Across”

This clue appeared as 26-Down in the NYT Crossword on Wednesday, October 22, 2025. The answer has 7 letters.

Answer · 7 lettersFirst appearance

FISSION

Letters7

Starts withF

Ends withN

Vowels3

Where this clue has appeared

NYT Crossword
Oct 22, 20257 letters→

About this clue

The clue “Atomic reaction co-discovered by 44-Across” ran in the NYT Crossword on October 22, 2025 as 26-Down. Its answer is a 7-letter word that starts with F and ends with N, with 3 vowels, which often points to a phrase, a name or a borrowed word.

See every answer from the puzzle on the NYT Crossword page for October 22, 2025, or learn how clues like this work in our guide to crossword clue types.

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FAQ

What is the answer to the “Atomic reaction co-discovered by 44-Across” clue?+

The answer is FISSION (7 letters), from the NYT Crossword of October 22, 2025.

Where has this clue appeared?+

We have seen it 1 time in the NYT Crossword.

How do I find other NYT Crossword answers?+

Open the full list of answers for October 22, 2025, or browse every date on the NYT Crossword hub.