a nuclear reaction in which a massive nucleus splits into smaller nuclei with the simultaneous release of energy; reproduction of some unicellular organisms by division of the cell into two more or less equal parts

Frequently asked questions for fission:

How many solutions are there for the crossword clue "FISSION"?

There are 133 solutions. The longest is NONREVERSIBLE REACTION with 21 letters, and the shortest is GAP with 3 letters.

How can I find the solution for "FISSION"?

Use our smart search feature to filter by word length. Our system organizes results by frequency and relevance. Search through millions of answers to thousands of crossword clues—for free!

Is crossword puzzle clue "FISSION" trending today?

Not at the moment. Currently trending: Heap praises on, Heap praise upon, Small, Perception and Rest.

How long are the solutions for "FISSION"?

Solutions are between 3 and 21 letters long.

Still in puzzle mode? Solve these clues related to ‘FISSION’

Clue	Answers

A NUCLEAR REACTOR THAT USES CONTROLLED NUCLEAR FISSION TO GENERATE ENERGY	10
fissionable material	3
Fissionable particle	2
Nuclear fission pioneer Otto	2
FISSION element	2
Fission device	2
Fission site	2
Nuclear fission co-discoverer Otto	1
Open space needed for making a park	1
Vacant space	1
U235 phenomenon	1
Spark space	1
Space filled at 17- and 62-Across and 11- and 28-Down	1
Small space	1
Saddleback	1
Popular chain store	1
Mountian pass	1
Mind the ___-	1
Hairline problem?	1
Fence flaw	1

‘FISSION’ isn’t just a clue – it’s also a popular crossword answer! Check out these clues where ‘FISSION’ is the solution:

Clue	Answer

Splitting (atom) (7)	fission
Nuclear reaction (7)
Atom-splitting (7)
Splitting of an atom's nucleus (7)
Division or splitting into parts (7)