Word.ws English Dictionary

plutonium-239

plutonium-239 noun: a radioactive and fissile isotope of plutonium, 23994Pu, having a half-life of 24,000 years.

Noun

plutonium-239 (uncountable)

  1. A radioactive and fissile isotope of plutonium, 23994Pu, having a half-life of 24,000 years.

Questions about plutonium-239

What does plutonium-239 mean?
Plutonium-239 means a radioactive and fissile isotope of plutonium, 23994Pu, having a half-life of 24,000 years.
What part of speech is plutonium-239?
Plutonium-239 is a noun.

Words near plutonium-239 in the dictionary

  1. plutonium bomb
  2. plutonium bombs
  3. plutonium dioxide
  4. plutonium pit
  5. plutonium pits
  6. plutonium-239
  7. plutoniums
  8. plutonocene
  9. plutonomic
  10. plutonomics
  11. plutonomies

Source and license

Adapted from Wiktionary: plutonium-239 (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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