Plutonium 239 (Noun)
Meaning
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.
Classification
Nouns denoting substances.
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.
Nouns denoting substances.