Meanings
Synonyms & antonyms
nounRadon-220 (22086Rn; symbol Tn), an isotope of radon
Origin
Contraction of thorium emanation.
Full word history & related roots →Rhymes & wordplay
Anagrams
Cite this entry
thoron. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/thoron
“thoron.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/thoron. Accessed November 3, 2026.
WatkinsX Dictionary, s.v. “thoron,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/thoron.
Source: thoron on Wiktionary, CC BY-SA 4.0.