Definition of actinon

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  • actinon is a valid Scrabble US word with a point value of 9
  • actinon is a valid Scrabble UK word with a point value of 9
  • actinon is a valid Words with friends word with a point value of 12

Definition of actinon

  • any of a series of radioactive elements with atomic numbers 89 through 103 (noun)

    Synonyms

    1. actinide
    2. actinoid

See definition of actinon in Merriam Webster