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Webster 1913 Edition


Uranium

U-ra′ni-um

,
Noun.
[NL., from
Uranus
the planet. See
Uranus
.]
(Chem.)
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.
☞ 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.

Webster 1828 Edition


Uranium

URA'NIUM

,
Noun.
[Gr. heaven, or a planet so called.]
A metal discovered in 1789 by Klaproth, in the mineral called pechblend. It is occasionally found native in uran-ocher and uran-mica; but more generally it is obtained from pechblend, in which it exists with iron, copper, lead, and sometimes with arsenic, cobalt and zink.

Definition 2024


uranium

uranium

English

Chemical element
U Previous: protactinium (Pa)
Next: neptunium (Np)

Noun

uranium (countable and uncountable, plural uraniums)

  1. The element with atomic number 92 and symbol U.

Derived terms

Related terms

Translations

See also


Dutch

Chemical element
U Previous: protactinium (Pa)
Next: neptunium (Np)

Pronunciation

Noun

uranium n (uncountable)

  1. uranium

Synonyms


French

Pronunciation

  • IPA(key): /y.ʁa.njɔm/

Noun

uranium m (uncountable)

  1. uranium

Latin

Pronunciation

  • (Classical) IPA(key): /uːˈra.ni.um/, [uːˈra.ni.ũ]

Noun

ūranium n (genitive ūraniī); second declension

  1. uranium

Inflection

Second declension.

Case Singular Plural
nominative ūranium ūrania
genitive ūraniī ūraniōrum
dative ūraniō ūraniīs
accusative ūranium ūrania
ablative ūraniō ūraniīs
vocative ūranium ūrania

Malay

Chemical element
U Previous: protaktinium (Pa)
Next: neptunium (Np)

Etymology

From English uranium, from Uranus.

Pronunciation

  • IPA(key): [uraniom], [uraniəm], [jureniəm]
  • Rhymes: -iom, -jom, -om

Noun

uranium

  1. uranium (uranium (element))