Plutonium 239 — definition

1. plutonium 239 (Noun)

1 definition

plutonium 239 (Noun) — A highly fissionable isotope of plutonium that is used in atomic weapons and as a reactor fuel; produced by irradiating uranium 238 with slow electrons.

3 types of
Pu atomic number 94 plutonium
2 types
weapon-grade plutonium weapons plutonium