Definition of Uranium in English :

Define Uranium in English

Uranium meaning in English

Meaning of Uranium in English

Pronunciation of Uranium in English

Uranium pronunciation in English

Pronounce Uranium in English

Uranium

see synonyms of uranium

Noun

1. atomic number 92, u, uranium

a heavy toxic silvery-white radioactive metallic element; occurs in many isotopes; used for nuclear fuels and nuclear weapons

WordNet Lexical Database for English. Princeton University. 2010.


Uranium

see synonyms of uranium
noun
a radioactive silvery-white metallic element of the actinide series. It occurs in several minerals including pitchblende, carnotite, and autunite and is used chiefly as a source of nuclear energy by fission of the radioisotope uranium-235. Symbol: U; atomic no: 92; atomic wt: 238.0289; half-life of most stable isotope, 238U: 451 × 109 years; valency: 2-6; relative density: 18.95 (approx.); melting pt: 1135°C; boiling pt: 4134°C

Collins English Dictionary. Copyright © HarperCollins Publishers


Uranium

see synonyms of uranium
noun
a very hard, heavy, silver-colored, radioactive, metallic chemical element, one of the actinides, found only in combination, chiefly in pitchblende: symbol, U; at. no., 92: an isotope (uranium-235) undergoes neutron-induced fission and another, more plentiful, isotope (uranium-238) is used to produce plutonium
see the periodic table of elements in the Reference Supplement

Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by Houghton Mifflin Harcourt. All rights reserved.


Uranium

see synonyms of uranium
n. Symbol U
A dense silvery-white metallic element that is radioactive and toxic, is easily oxidized, and has numerous isotopes of which U-238 is the most abundant in nature. The element occurs in several minerals, including uraninite and carnotite, from which it is extracted and processed for use in research, nuclear fuels, and nuclear weapons. Atomic number 92; atomic weight 238.03; melting point 1,135°C; boiling point 4,131°C; specific gravity 19.1; valence 2, 3, 4, 5, 6. See Periodic Table.

The American Heritage ® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.