Fissionable (adjective)

Capable of undergoing nuclear fission, especially as a result of bombarding with neutrons.

Origin:

Mid 20th century: from fission + -able.

Examples:

1. Uranium-235 is the most fissionable isotope used in nuclear reactors.
2. Fissionable material is extremely dangerous and must be carefully handled.
3. The research focused on developing new and more efficient fissionable materials.
4. Fissionable materials are tightly regulated by international agreements.
5. The use of fissionable materials in nuclear weapons has had a profound impact on world events.