1. A cleaving or breaking up into parts; the process by which animal and vegetable cells, and certain simple organisms, spontaneously divide into two independent ones.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• fahsion,
• fshion,
• vission,
• nissian,
• lession,
• lision,
• ision,
• divsion,
• feshion,
• fasion,
• viision,
• liasion,
• piosion,
• fussion,
• massion,
• mision,
• disssion,
• dishion,
• fassions,
• fussin

• fiction,
• fishing,
• mission,
• vision,
• fusion,
• fashion.

The adjective form of the word "fission" is "fissile".

The plural of the "fission" can be the "fissions".

The singular of the "fission" can be the "fission".