actinon

A1C3T1I1N1O1N1

noun

Radon-219 (21986Rn; symbol An), an isotope of radon

Similar
radonactineonactinium emanationactonaktonAnAoexactinio
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Meanings

nounactinon (plural actinons)

plural actinons

  1. datednatural sciencesRadon-219 (21986Rn; symbol An), an isotope of radon
  2. obsoleteSynonym of radon.

    Synonyms: radon

  3. datedAn actinide

Synonyms & antonyms

nounSynonym of radon.

Similar
radon
Similar
actineonactinium emanationactonaktonAnAoexactinioradon-219

More synonyms by meaning

nounany of a series of radioactive elements with atomic numbers 89 through 103

Similar
actinoidactinide
Broader
groupgrouping

nounan radioisotope of radon with a half-life of about four seconds

Similar
radon-219
Broader
radioisotope
Also see
actinideactinium emanationactinoidexactinio

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

Contraction of actinium emanation.

Full word history & related roots →

Translations

Polish aktynon
  • aktynonTranslations

Rhymes & wordplay

Anagrams

containnanoticcantion
Cite this entry
APA

actinon. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/actinon

MLA

“actinon.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/actinon. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “actinon,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/actinon.

Source: actinon on Wiktionary, CC BY-SA 4.0.