uranium
/ˌjuːˈɹeɪniəm/
Proposed by a contributor, not yet supported by evidence.
Also seen as: uraniums · urania
Meaning · English
The element with atomic number 92 and symbol U. A radioactive silvery-grey metal in the actinide series.
Noun
Examples
The head of the UN’s nuclear watchdog says US strikes on Iran fell short of causing total damage to its nuclear program and that Tehran could restart enriching uranium “in a matter of months,” contradicting President Donald Trump’s claims the US set Tehran’s ambitions back by decades.
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Common questions
What does “uranium” mean?
The element with atomic number 92 and symbol U. A radioactive silvery-grey metal in the actinide series.
Is “uranium” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.