weapon-grade plutonium

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• weapon-grade plutonium — noun plutonium 239 that is recovered when nuclear weapons are disassembled; it is stored in plutonium pits • Syn: ↑weapons plutonium • Hypernyms: ↑plutonium 239 …   Useful english dictionary

• Reactor grade plutonium nuclear test — The reactor grade plutonium nuclear test was a low yield underground nuclear test using non weapons grade plutonium, conducted at the US Nevada Test Site in 1962.Some information regarding this test was declassified in July 1977 under… …   Wikipedia

• Plutonium — Eigenschaften …   Deutsch Wikipedia

• plutonium 239 — noun a highly fissionable isotope of plutonium that is used in atomic weapons and as a reactor fuel; produced by irradiating uranium 238 with slow electrons • Hypernyms: ↑plutonium, ↑Pu, ↑atomic number 94 • Hyponyms: ↑weapons plutonium, ↑weapon… …   Useful english dictionary

• Plutonium — (pronEng|pluːˈtoʊniəm, symbol Pu, atomic number 94) is a rare radioactive, metallic chemical element. The most significant isotope of plutonium is 239Pu, with a half life of 24,100 years; this isotope is fissile and is used in most modern nuclear …   Wikipedia

• Plutonium-239 — Infobox isotope alternate names = symbol =Pu mass number =239 mass = num neutrons =145 num protons =94 abundance = halflife = 24,110 years error halflife = background = #FF6 text color = decay product =Uranium 235 decay symbol =U decay mass =235… …   Wikipedia

• nuclear weapon — an explosive device whose destructive potential derives from the release of energy that accompanies the splitting or combining of atomic nuclei. [1945 50] * * * or atomic weapon or thermonuclear weapon Bomb or other warhead that derives its force …   Universalium

• weapons plutonium — noun plutonium 239 that is recovered when nuclear weapons are disassembled; it is stored in plutonium pits • Syn: ↑weapon grade plutonium • Hypernyms: ↑plutonium 239 …   Useful english dictionary

• weap|on-grade — «WEHP uhn GRAYD», adjective. surpassing the minimum standards set for materials to be used in nuclear weapons: »weapon grade plutonium …   Useful english dictionary

• Isotopes of plutonium — Plutonium (Pu) has no stable isotopes. A standard atomic mass cannot be given.Decay modesTwenty plutonium radioisotopes have been characterized. The most stable are Pu 244, with a half life of 80.8 million years, Pu 242, with a half life of… …   Wikipedia

• Weapons-grade — means that a substance is pure enough to be used to make a weapon or has properties that make it suitable for weapons use. Weapons grade plutonium and uranium are the most common examples, but it is also be used to refer to chemical and… …   Wikipedia