plutonium pit — noun a steel or beryllium sphere containing plutonium 239 that triggers nuclear fission when compressed by explosives • Syn: ↑plutonium trigger • Hypernyms: ↑trigger • Part Holonyms: ↑atom bomb, ↑atomic bomb, ↑A bomb, ↑ … Useful english dictionary
plutonium bomb — noun a nuclear weapon in which enormous energy is released by nuclear fission (splitting the nuclei of a heavy element like uranium 235 or plutonium 239) • Syn: ↑atom bomb, ↑atomic bomb, ↑A bomb, ↑fission bomb • Hypernyms: ↑nuclear weapon,… … Useful english dictionary
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
atomic bomb — noun a nuclear weapon in which enormous energy is released by nuclear fission (splitting the nuclei of a heavy element like uranium 235 or plutonium 239) (Freq. 2) • Syn: ↑atom bomb, ↑A bomb, ↑fission bomb, ↑plutonium bomb • Hypernyms: ↑nuclear… … Useful english dictionary
A-bomb — n. = atomic bomb. Etymology: A (for ATOMIC) + BOMB * * * noun a nuclear weapon in which enormous energy is released by nuclear fission (splitting the nuclei of a heavy element like uranium 235 or plutonium 239) • Syn: ↑atom bomb, ↑atomic bomb,… … Useful english dictionary
atom bomb — noun a nuclear weapon in which enormous energy is released by nuclear fission (splitting the nuclei of a heavy element like uranium 235 or plutonium 239) (Freq. 1) • Syn: ↑atomic bomb, ↑A bomb, ↑fission bomb, ↑plutonium bomb • Hypernyms: ↑nuclear … Useful english dictionary
fission bomb — noun a nuclear weapon in which enormous energy is released by nuclear fission (splitting the nuclei of a heavy element like uranium 235 or plutonium 239) • Syn: ↑atom bomb, ↑atomic bomb, ↑A bomb, ↑plutonium bomb • Hypernyms: ↑nuclear weapon,… … Useful english dictionary
List of accidents and incidents involving military aircraft, 1950-1974 — This is a list of notable accidents and incidents involving military aircraft grouped by the year in which the accident or incident occurred. For more exhaustive lists, see the [http://www.baaa acro.com/ Aircraft Crash Record Office] or the [http … Wikipedia
Munir Ahmad Khan — (1926 1999), HI. Born May 26, 1926( … Wikipedia
Nuclear fission — For the generation of electrical power by fission, see Nuclear power. Splitting the atom redirects here. For the EP, see Splitting the Atom. Nuclear physics Radioactive decay Nuclear fission Nuclear fusio … Wikipedia