uranium, atomic number
(noun) a heavy toxic silvery-white radioactive metallic element; occurs in many isotopes; used for nuclear fuels and nuclear weapons
Source: WordNet® 3.1
uranium (countable and uncountable, plural uraniums)
The element with atomic number 92 and symbol U: a radioactive silvery-grey metal in the actinide series.
Source: Wiktionary
U*ra"ni*um, n. Etym: [NL., from Uranus the planet. See Uranus.] (Chem.)
Definition: An element of the chromium group, found in certain rare minerals, as pitchblende, uranite, etc., and reduced as a heavy, hard, nickel-white metal which is quite permanent. Its yellow oxide is used to impart to glass a delicate greenish-yellow tint which is accompanied by a strong fluorescence, and its black oxide is used as a pigment in porcelain painting. Symbol U. Atomic weight 239.
Note: Uranium was discovered in the state of an oxide by Klaproth in 1789, and so named in honor of Herschel's discovery of the planet Uranus in 1781.
Source: Webster’s Unabridged Dictionary 1913 Edition
25 February 2025
(adverb) (spatial sense) seeming to have no bounds; “the Nubian desert stretched out before them endlessly”
According to Guinness World Records, on 25 September 2016, the Birla Institute of Management Technology (India) in Uttar Pradesh, India, constructed the largest coffee cups pyramid consisting of 23,821 cups. They used paper takeaway coffee cups to build the pyramid.
