Uranium-233
noun ·Rare ·Advanced level
Definitions
- 1 A radioactive isotope of uranium, ²³³₉₂U, having a half-life of about 160,000 years; it is fissile. uncountable
""The guy that just left—what's he got in his lungs?" / "Well, I'm not very sure. But the two best candidates are uranium-233 and plutonium-239, one or both." / "They're in his bones too, aren't they?" / "Yeah, they're both boneseekers. And they've got half-lives of one hundred sixty-two thousand and twenty-four thousand years respectively. So they stay hot for a long time.""
Example
More examples""The guy that just left—what's he got in his lungs?" / "Well, I'm not very sure. But the two best candidates are uranium-233 and plutonium-239, one or both." / "They're in his bones too, aren't they?" / "Yeah, they're both boneseekers. And they've got half-lives of one hundred sixty-two thousand and twenty-four thousand years respectively. So they stay hot for a long time.""
More for "uranium-233"
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.