Fission
7 lettersnounmoderateUpdated June 2026
Definition
The splitting of a cell or atomic nucleus into two roughly equal parts, either as a form of biological reproduction or as a nuclear reaction that releases large amounts of energy.
“Nuclear fission within the reactor core produced enough heat to generate electricity for thousands of homes.”
Pronunciation
Syllables
fis·sion
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Word Game Tips
Wordle
FISSION has double S, an unusual pattern for a seven-letter word that quickly narrows guesses
Scrabble
F scores 4 points and the double S uses two common tiles, FISSION scores well for a scientific term
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