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

Appears in

Simplified etymology

Uranium was named by the German chemist Martin Klaproth after the planet Uranus. The planet had been discovered by William Herschel in 1781, less than a decade before Klaproth isolated and named the metal.

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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External links

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