uranium

Meanings

1. 1
   noun

   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.

2. 2
   noun

   a heavy toxic silvery-white radioactive metallic element

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.

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