a nuclear atom
81Nuclear fuel cycle — The nuclear fuel cycle, also called nuclear fuel chain, is the progression of nuclear fuel through a series of differing stages. It consists of steps in the front end, which are the preparation of the fuel, steps in the service period in which… …
82Nuclear weapons in popular culture — A nuclear fireball lights up the night in a United States nuclear test. Since their public debut in August 1945, nuclear weapons and their potential effects have been a recurring motif in popular culture,[1] to the extent that the decades of the …
83nuclear reactor — Physics. reactor (def. 4). Also called nuclear pile. [1940 45] * * * Device that can initiate and control a self sustaining series of nuclear fission reactions. Neutrons released in one fission reaction may strike other heavy nuclei, causing them …
84nuclear engineering — Introduction the field of engineering that deals with the control and use of energy and radiation released from nuclear reactions. It encompasses the development, design, and construction of power reactors, naval propulsion reactors,… …
85Nuclear reactor — Core of CROCUS, a small nuclear reactor used for research at the EPFL in Switzerland This article is a subarticle of Nuclear power. A nuclear reactor is a device to initiate and control a sustained nuclear chain reaction. Most commonly they are… …
86Nuclear force — This article is about the force that holds nucleons together in a nucleus. For the force that holds quarks together in a nucleon, see Strong interaction. A Feynman diagram of a strong proton neutron interaction mediated by a neutral pion. Time… …
87Atom — The smallest part of any material that cannot be broken up by chemical means. Each atom has a center (the nucleus) which contains protons and neutrons. Electrons orbit around the nucleus. The atom is primarily empty space. If the nucleus of an… …
88Nuclear shell model — In nuclear physics and nuclear chemistry, the nuclear shell model is a model of the atomic nucleus which uses the Pauli exclusion principle to describe the structure of the nucleus in terms of energy levels.[1] The first shell model was proposed… …
89atom 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 …
90nuclear — nu|cle|ar [ nukliər ] adjective *** 1. ) relating to energy produced by changing the structure of the central part of an atom: ATOMIC: nuclear power/energy a nuclear power plant the nuclear industry nuclear waste a ) relating to weapons that use… …
