- weapons plutonium
- nounplutonium 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. 2012.
weapons plutonium
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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 — /plooh toh nee euhm/, n. Chem., Physics. a transuranic element with a fissile isotope of mass number 239 (plutonium 239) that can be produced from non fissile uranium 238, as in a breeder reactor. Symbol: Pu; at. no.: 94. [1940 45; < Gk Ploúton… … Universalium
Plutonium-240 — Infobox isotope alternate names = symbol =Pu mass number =240 mass = num neutrons =146 num protons =94 abundance = 0 (Artificial) halflife = 6563 years error halflife = background = text color = decay product = decay symbol = decay mass = decay… … Wikipedia
Plutonium(III)-fluorid — Kristallstruktur Pu3+ … 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
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
Plutonium in the environment — is an article which is part of the actinides in the environment series. Almost all plutonium present in the environment is due to human activity because the majority of plutonium isotopes are shortlived on a geological timescale.… … Wikipedia
plutonium — Symbol: Pu Atomic number: 94 Atomic weight: (242) Dense silvery radioactive metallic transuranic element, belongs to the actinoids. Pu 244 is the most stable isotope with a half life of 7.6*10^7 years. Thirteen isotopes are known. Pu 239 is the… … Elements of periodic system
plutonium — ☆ plutonium [plo͞o tō′nē əm ] n. [ModL, after PLUTO (planet) + IUM: so named (1942) by G. T. SEABORG Glenn T(heodore), E. M. MCMILLAN Edwin Mattison, A. C. Wahl (1917 ), & J. W. Kennedy (1916 57), U.S. physicists who isolated it (1940), because… … English World dictionary
weapons-grade — [wep′ənz grād΄] adj. designating or of uranium, plutonium, or other fissionable nuclear material of a quality suitable for use in nuclear weapons * * * … Universalium
