e/Reactor-grade plutonium

Information
lexicalization	eng: Reactor grade plutonium
lexicalization	eng: reactor-grade plutonium
instance of	(noun) a solid silvery grey radioactive transuranic element whose atoms can be split when bombarded with neutrons; found in minute quantities in uranium ores but is usually synthesized in nuclear reactors; 13 isotopes are known with the most important being plutonium 239 Pu, atomic number 94, plutonium

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