- fissionable uranium
- uranium whose nucleus can be split into two or more smaller nuclei (process by which energy is supplied to nuclear reactors and atomic bombs)
English contemporary dictionary. 2014.
fissionable uranium
Look at other dictionaries:
Uranium — (pronEng|jʊˈreɪniəm) is a silvery gray metallic chemical element in the actinide series of the periodic table that has the symbol U and atomic number 92. It has 92 protons and 92 electrons, 6 of them valence electrons. It can have between 141 and … Wikipedia
uranium — A radioactive element; special nuclear material. 6 Am J2d Atomic E § 8. See fissionable uranium … Ballentine's law dictionary
uranium 238 — noun the commonest isotope of uranium; it is not fissionable but when irradiated with neutrons it produces fissionable plutonium 239 • Hypernyms: ↑uranium, ↑U, ↑atomic number 92 * * * noun : an isotope of uranium of mass number 238 that is the… … Useful english dictionary
uranium processing — Introduction preparation of the ore for use in various products. Uranium (U), although very dense (19.1 grams per cubic centimetre), is a relatively weak, nonrefractory metal. Indeed, the metallic properties of uranium appear to be… … Universalium
Uranium — (U) A heavy, naturally radioactive, metallic element (atomic number 92). Its two principally occurring isotopes are uranium 235 and uranium 238. Uranium 235 is indispensable to the nuclear industry because it is the only isotope existing in… … Energy terms
Uranium-236 — Infobox isotope background = #fc6 text color = isotope name = Uranium 236 isotope filename = alternate names = mass number =236 symbol =U num neutrons =144 num protons =92 abundance =< 10^ 10 halflife = 2.348 x10^7 years error halflife = decay… … Wikipedia
Uranium metallurgy — s.Commercial grade uranium can be produced through the reduction of uranium halides with alkali or alkaline earth metals. Uranium metal can also be made through electrolysis of KUF5 or UF4, dissolved in a molten CaCl2 and NaCl. Very pure uranium… … Wikipedia
Fissionable material — A substance whose atoms can be split by slow neutrons. Uranium 235, plutonium 239 and uranium 233 are fissionable materials. California Energy Comission. Dictionary of Energy Terms … Energy terms
uranium 238 — Chem. the radioactive uranium isotope having a mass number 238, comprising 99.28 percent of natural uranium: used chiefly in nuclear reactors as a source of the fissionable isotope plutonium 239. Also called U 238, U 238. [1940 45] * * * … Universalium
uranium 238 — n. chem. the radioactive uranium isotope having a mass number of 238, used chiefly in nuclear reactors as a source of the fissionable isotope plutonium 239 • Etymology: 1940–45 … From formal English to slang
