plutonium

From Wiktionary
Jump to navigation Jump to search
Wikipedia logo
The Simple English Wikipedia has an article on:

neptunium 94 americium

Pronunciation[change]

  • (file)
  • Hyphenation: plu‧to‧ni‧um

Noun[change]

Singular
plutonium

Plural
none

  1. (uncountable) Plutonium is a man-made element of the periodic table, with atomic number 94 and symbol Pu.
    Along with neptunium, plutonium was the first man-made element to be created by bombarding uranium-238 cores with neutrons.
  2. (uncountable) Plutonium is also the radioactive metal made of plutonium atoms.
    Plutonium is a silvery and very dense metal, its toxicity makes it dangerous to manipulate.