Word.ws English Dictionary

thorium-228

thorium-228 noun: a radioactive isotope of thorium, 22890Th, having a half-life of 1.9 years; it occurs naturally in small amounts, as member of the thorium-232 decay chain.

Noun

thorium-228 (uncountable)

  1. A radioactive isotope of thorium, 22890Th, having a half-life of 1.9 years; it occurs naturally in small amounts, as member of the thorium-232 decay chain.
    Synonyms:
    radiothorium

Synonyms of thorium-228

Questions about thorium-228

What does thorium-228 mean?
Thorium-228 means a radioactive isotope of thorium, 22890Th, having a half-life of 1.9 years; it occurs naturally in small amounts, as member of the thorium-232 decay chain.
What part of speech is thorium-228?
Thorium-228 is a noun.

Words near thorium-228 in the dictionary

  1. thorites
  2. thorium
  3. thorium chloride
  4. thorium dioxide
  5. thorium emanation
  6. thorium-228
  7. thoriums
  8. Thorki
  9. Thorley
  10. Thorleys
  11. Thorman

Source and license

Adapted from Wiktionary: thorium-228 (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Cite this entry: “thorium-228.” Word.ws, https://word.ws/thorium-228. Based on Wiktionary, CC BY-SA 4.0.