Definition of actinon in English:

actinon

noun

Chemistry
  • 1Physics
    Chemistry and Physics. An isotope of the radioactive gas radon, of mass number 219, occurring in the actinium decay series.

  • 2Chemistry. Any of the chemical elements of the actinide series.

Origin

1920s. From actin- + -on.

Pronunciation:

actinon

/ˈaktɪnɒn/