radiothorium

R1A1D2I1O1T1H4O1R1I1U1M3

noun

The radioactive isotope thorium-228

Similar
thorium-228
Scrabble 18
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Meanings

nounradiothorium (uncountable)
  1. uncountablenatural sciencesThe radioactive isotope thorium-228

Synonyms & antonyms

nounradioactive isotope of thorium with mass number 228

Similar
thorium-228
Broader
thoriumThatomic number 90
Also see
thorium-228

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

From radio- + thorium.

Full word history & related roots →

Translations

German Radiothorium
  • RadiothoriumTranslations
Italian radiotorio
  • radiotorioTranslations
Japanese 放射性トリウム
  • 放射性トリウム (hōshasei toriumu)Translations
Cite this entry
APA

radiothorium. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/radiothorium

MLA

“radiothorium.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/radiothorium. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “radiothorium,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/radiothorium.

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