Fission (noun)

1. A process in which a heavy atomic nucleus splits into two smaller nuclei with the release of a large amount of energy.
2. The splitting of cells or tissues in biology.

Origin:

Late latin, from latin, 'splitting', from findere, to split.

Examples:

1. Nuclear fission is the process that powers nuclear reactors.
2. The fission of uranium produces a chain reaction that releases large amounts of energy.
3. Fission of the atomic nucleus results in the release of energy and the production of radioactive isotopes.
4. The fission of cells is an important part of the process of cell division.
5. The fission of bacteria is a common way for bacteria to reproduce.