Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • The symbol for the element plutonium.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Symbol for plutonium.

from The Century Dictionary and Cyclopedia

  • A Scotch form of pull.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. 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

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