plutonium 239

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Noun

plutonium 239 - 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

atomic number 94, plutonium, Pu - a solid silvery grey radioactive transuranic element whose atoms can be split when bombarded with neutrons; found in minute quantities in uranium ores but is usually synthesized in nuclear reactors; 13 isotopes are known with the most important being plutonium 239

weapon-grade plutonium, weapons plutonium - plutonium 239 that is recovered when nuclear weapons are disassembled; it is stored in plutonium pits

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A-bomb atom bomb atomic bomb atomic number 92 atomic number 94 atomic weapon breeder reactor clean bomb dirty bomb fission bomb irradiate neutron bomb nuclear reactor nuclear weapon plutonium plutonium bomb plutonium pit plutonium trigger Pu			By measuring the residue's decomposition rate at various temperatures, the researchers found that spontaneous decomposition would take a whopping 10,000 years to cut the residue's abundance in half--a persistence comparable to that of plutonium 239. Microbe polishes off pollutant by Science News Indeed, the fabrication of Plutonium 239 used for nuclear bombs or as fuel for power stations is a long process. Uranium fantasies: did Saddam Hussein try to buy uranium from Africa? ... by Misser, Francois / New African Someday soon, "slightly" radioactive steel containing traces of tritium, strontium 90 and plutonium 239 salvaged from defunct nuclear facilities may be showing up in laptop computer batteries, toasters and kids' furniture. EPA plan for radioactive recycling by Skolnick, Sharon R. / Earth Island Journal			Pluteus Pluteus aurantiorugosus Pluteus cervinus Pluteus magnus plutino Pluto Pluto monkey plutocracy plutocrat plutocratic plutocratical plutoid plutolatry plutology plutomania pluton Plutonian plutonic Plutonic action plutonic rock Plutonic rocks Plutonic theory plutonism Plutonist plutonium plutonium 239 plutonium bomb plutonium pit plutonium trigger Plutus pluvial Pluvialis Pluviameter Pluviametrical Pluvian Pluvianus Pluvianus aegyptius Pluviograph pluviography pluviometer Pluviometrical pluviometry pluvioscope Pluviose Pluviôse pluviosity pluvious ply plyboard plyer plyers			plutonic Plutonic action plutonic breccia Plutonic diapir Plutonic diapir plutonic metamorphism Plutonic planet Plutonic planet Plutonic planets Plutonic planets plutonic rock plutonic rock Plutonic rocks Plutonic Theory Plutonic Theory plutonic water Plutonism Plutonism Plutonist Plutonist Plutonists Plutonists plutonium plutonium plutonium plutonium Plutonium (Pu) Plutonium (Pu) Plutonium (Pu) Plutonium 238 plutonium 239 Plutonium 240 Plutonium 240 Plutonium 240 Plutonium Air Inhalation Dose Plutonium Air Transportable Plutonium Body Burden plutonium bomb plutonium bomb Plutonium Canister Assay System Plutonium Concentrator Concentrate Plutonium Concentrator Distillate Plutonium Contaminated Material Plutonium Discard Limit Plutonium economy Plutonium Equivalent Curies Plutonium Experiments Plutonium Finishing Operation Plutonium Finishing Plant Plutonium Fuel Development Laboratory Plutonium Fuel Production Facility Plutonium Fuel Research Facility Plutonium Isotopic Detonation Intercomparison Exercise Plutonium Management and Disposition Agreement Plutonium Organic Recycle Plutonium Oxide Plutonium Oxide plutonium pit Plutonium Pit Fabrication Facility

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