Actinon Definition
ăktə-nŏn
noun
A radioactive isotope of radon, Rn-219, having a half-life of 3.96 seconds and produced by the disintegration of actinium.
American Heritage
A gaseous radioisotope of radon, formed by disintegration of actinium: at. no. 86; half-life of 3.92 seconds.
Webster's New World
Any of the radioactive isotopes of radon.
Wiktionary
Any radioactive isotope of an actinide.
Wiktionary
Other Word Forms of Actinon
Noun
Singular:
actinon
Plural:
actinonsOrigin of Actinon
actin(ium) –on
From American Heritage Dictionary of the English Language, 5th Edition
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