1noun
reproduction of some unicellular organisms by division of the cell into two more or less equal parts
01 Word definition
fission
7 letters · 3 vowels · 4 consonants
Is FISSION a word?
Yes. FISSION is a 7-letter noun. reproduction of some unicellular organisms by division of the cell into two more or less equal parts Check the official dictionary for your particular word game before playing it.
Correct spelling
F-I-S-S-I-O-NHow do you spell FISSION?
FISSION contains 7 letters, begins with F, and ends with N.
Check another spelling →Meaning and definition
2noun
a nuclear reaction in which a massive nucleus splits into smaller nuclei with the simultaneous release of energy
Synonyms
Source: Open English WordNet 2025 (CC BY 4.0) ↗nuclear fission
02 Letter breakdown
How is FISSION spelled?
F1I2S3S4I5O6N7
03 Word-game status
Can you play FISSION?
UnscramblerHQ dictionary
This spelling is present in our broad English solver dictionary.
Scrabble
Base tile value: 10 points. Confirm eligibility in the official word list used for your region and edition.
Words With Friends
Base tile value: 11 points. Confirm eligibility inside the current game dictionary.
FAQ Quick answers
About FISSION.
How do you spell FISSION?
FISSION is spelled F-I-S-S-I-O-N. It contains 7 letters.