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We found 42 dictionaries with English definitions that include the word plutonium:
Click on the first link on a line below to go directly to a page where "plutonium" is defined.

General dictionaries General (29 matching dictionaries)
  1. plutonium: Merriam-Webster.com [home, info]
  2. plutonium: Oxford Dictionaries [home, info]
  3. plutonium: American Heritage Dictionary of the English Language [home, info]
  4. plutonium: Collins English Dictionary [home, info]
  5. plutonium: Vocabulary.com [home, info]
  6. plutonium: Macmillan Dictionary [home, info]
  7. Plutonium, plutonium: Wordnik [home, info]
  8. plutonium: Cambridge Advanced Learner's Dictionary [home, info]
  9. plutonium: Wiktionary [home, info]
  10. plutonium: Webster's New World College Dictionary, 4th Ed. [home, info]
  11. plutonium: The Wordsmyth English Dictionary-Thesaurus [home, info]
  12. plutonium: Infoplease Dictionary [home, info]
  13. plutonium: Dictionary.com [home, info]
  14. plutonium: Online Etymology Dictionary [home, info]
  15. plutonium: UltraLingua English Dictionary [home, info]
  16. plutonium: Cambridge Dictionary of American English [home, info]
  17. Plutonium: Wikipedia, the Free Encyclopedia [home, info]
  18. plutonium: Rhymezone [home, info]
  19. plutonium: Hutchinson's Dictionary of Difficult Words [home, info]
  20. Plutonium: Encarta® Online Encyclopedia, North American Edition [home, info]
  21. plutonium: Free Dictionary [home, info]
  22. plutonium: Hutchinson Dictionaries [home, info]
  23. plutonium: Mnemonic Dictionary [home, info]
  24. plutonium: WordNet 1.7 Vocabulary Helper [home, info]
  25. plutonium: LookWAYup Translating Dictionary/Thesaurus [home, info]
  26. plutonium: Dictionary/thesaurus [home, info]
  27. plutonium: Wikimedia Commons US English Pronunciations [home, info]

Art dictionaries Art (1 matching dictionary)
  1. plutonium: An Etymological Dictionary of Classical Mythology [home, info]

Business dictionaries Business (1 matching dictionary)
  1. Plutonium (Pu): Energy Dictionary [home, info]

Computing dictionaries Computing (1 matching dictionary)
  1. Plutonium (Pu), plutonium: Encyclopedia [home, info]

Medicine dictionaries Medicine (3 matching dictionaries)
  1. Plutonium: Medical Dictionary [home, info]
  2. plutonium: online medical dictionary [home, info]
  3. Plutonium (Pu), plutonium: Medical dictionary [home, info]

Science dictionaries Science (3 matching dictionaries)
  1. Plutonium: Extragalactic Astronomy [home, info]
  2. Plutonium (Pu): NRC Glossary of Nuclear Terms -- [home, info]
  3. Plutonium, plutonium: WebElements Periodic Table of the Elements [home, info]

Slang dictionaries Slang (1 matching dictionary)
  1. Plutonium: Urban Dictionary [home, info]

Tech dictionaries Tech (3 matching dictionaries)
  1. plutonium: NATURAL RESOURCES DEFENSE COUNCIL [home, info]
  2. Plutonium: Explosives [home, info]
  3. Plutonium: Nuclear Terms [home, info]

Quick definitions from Macmillan (
American English Definition British English Definition

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Quick definitions from WordNet (plutonium)

noun:  a solid silvery gray 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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Phrases that include plutonium:   plutonium bomb, plutonium 239, plutonium 240, plutonium 238, plutonium blast rifle, more...

Words similar to plutonium:   pu, atomic number 94, more...

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