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actinon

   Also found in: Medical, Financial, Acronyms, Encyclopedia, Wikipedia 0.01 sec.
ac·ti·non  (kt-nn)
n.
A radioactive, inert, gaseous isotope of radon, with a half-life of 3.92 seconds.
[actin(ium) + -on.]
actinon [ˈæktɪˌnɒn]
n
1. (Chemistry / Elements & Compounds) a radioisotope of radon that is a decay product of radium. Symbol: An or 219Rn; atomic no.: 86; half-life: 3.92s
2. (Chemistry / Elements & Compounds) another name for actinide
[New Latin, from actinium + -on]
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.actinon - any of a series of radioactive elements with atomic numbers 89 through 103actinon - any of a series of radioactive elements with atomic numbers 89 through 103
actinide, actinoid
group, grouping - any number of entities (members) considered as a unit
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Tim Lamb, the ECB chief executive, said: "Lloyd's remarks were his own and not in line with the position of the ECB, which is happy to abide by ICC's ruling on Muralitharan's actinon.
Lloyd facing Lord's bullet by Walters, Chris Lander/Mike / The Mirror (London, England)
 
 
 
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