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Definition of Atomic number 94
1. 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.
Exact synonyms: Plutonium, Pu
Generic synonyms: Chemical Element, Element
Specialized synonyms: Plutonium 239
Generic synonyms: Chemical Element, Element
Specialized synonyms: Plutonium 239