uranium

nounattested in dialogue

United Kingdom//jʊˈɹeɪniəm//
United Kingdom//ˌjyː.ˈɹəɪ̯.nɪ̝.əm//
United States//ˌjuː.ˈɹeɪ.ni.əm//

The element with atomic number 92 and symbol U. A radioactive silvery-grey metal in the actinide series.

noun

1
The element with atomic number 92 and symbol U. A radioactive silvery-grey metal in the actinide series.
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.

Etymology

Etymology tree Ancient Greek οὐρᾰνός (ourănós) Ancient Greek Οὐρᾰνός (Ourănós)der. Latin Ūranusbor. English Uranus Proto-Indo-European *-om Proto-Italic *-om Latin -umder. English -ium English uranium After Uranus (the planet), + -ium.

Forms

plural: uraniums, urania

upward · In a direction from lower to higher; toward a higher place;…Upward · A surname.upwards · Towards a (higher) position closer to the sky than the ground.

uranium · The element with atomic number 92 and symbol U. A radioactive silvery-grey metal in the actinide series.

urban · Of, pertaining to, characteristic of, or happening or located…Urban · A male given name from Latin.urge · A strong desire to do something.

The neighbouring pages — Alphabetical order follows the rules of the language, not byte values: an accent decides only between two otherwise identical words, and Spanish files Ñ as a letter of its own.