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(plu-to-ni-um) 4 syllables

Definition

noun. a radioactive chemical element used in nuclear reactors.

Example Sentence

Plutonium is a chemical element with the symbol Pu and atomic number 94.

More Example Sentences

Scientists study plutonium for its properties.

Synonyms

element; metal; isotope

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plutonium
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Rhymes

  • gonium

  • ammonium
  • harmonium
  • plutonium
  • polonium
  • zirconium

  • pandemonium
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