radioisotope

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noun

A radioactive isotope of an element.

Similar
radionuclide
OriginEnglish isotope ← Latin radius →
UncommonScrabble 15
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Meanings

nounradioisotope (plural radioisotopes)

plural radioisotopes · alternative radio-isotope

  1. natural sciencesA radioactive isotope of an element.

    Synonyms: radionuclide

Synonyms & antonyms

nounA radioactive isotope of an element.

Similar
radionuclide
Also see
radionuclide

Origin

  1. Latinradius
  2. Englishradio-
  3. Englishisotope
  4. Englishradioisotope

From radio- + isotope.

Full word history & related roots →

Translations

Chinese Mandarin 放射性同位素
  • 放射性同位素 (fàngshèxìng tóngwèisù)a radioactive isotope of an element
Czech radioizotop
  • radioizotopa radioactive isotope of an element
Finnish radioisotooppi
  • radioisotooppia radioactive isotope of an element
French radioisotope
  • radioisotopea radioactive isotope of an element
German Radioisotop
  • Radioisotopa radioactive isotope of an element
Italian radioisotopo
  • radioisotopoa radioactive isotope of an element
Japanese 放射性同位体
  • 放射性同位体 (hōshasei dōitai)a radioactive isotope of an element
Polish radioizotop
  • radioizotopa radioactive isotope of an element
Russian радиоакти́вный изото́п, радиоизото́п
  • радиоакти́вный изото́п (radioaktívnyj izotóp)a radioactive isotope of an element
  • радиоизото́п (radioizotóp)a radioactive isotope of an element
Tagalog dagilapkahasik
  • dagilapkahasika radioactive isotope of an element
Cite this entry
APA

radioisotope. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/radioisotope

MLA

“radioisotope.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/radioisotope. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “radioisotope,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/radioisotope.

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