fission
noun/ˈfɪʃən/ · /ˈfɪʒən/
Etymology Borrowed from Latin fissiōnem, accusative singular of fissiō (“the act of breaking up”), from findō (“split, divide”).
1The process whereby one item splits to become two.
2nuclear fission: The process of splitting the nucleus of an atom into smaller particles.
Nuclear physics
3Biology, Natural sciences The process by which a bacterium splits to form two daughter cells.
- Derived terms
- atomic fission, binary fission, cytofission, fiss, fissile, fissionability, fissionable, fissional, fission bomb, fission fragment, fission-fusion society, fissionist, fissionless, fissionlike, fission product, fission rocket, hemifission, induced fission, karyofission, nonfission, nuclear fission, photofission, quasifission, spontaneous fission
fission
verbEtymology Borrowed from Latin fissiōnem, accusative singular of fissiō (“the act of breaking up”), from findō (“split, divide”).
1To cause to undergo fission.