somatic cell nuclear transplantation somatic cell nuclear transfer SCNT nuclear transplantation | moving a cell nucleus and its genetic material from one cell to another |
nuclear terrorism | the use of a nuclear device by a terrorist organization to cause massive devastation or the use (or threat of use) of fissionable radioactive materials, assaults on nuclear power plants is one form of nuclear terrorism |
nuclear deterrence | the military doctrine that an enemy will be deterred from using nuclear weapons as long as he can be destroyed as a consequence, when two nations both resort to nuclear deterrence the consequence could be mutual destruction |
atom bomb atomic bomb A-bomb fission bomb plutonium bomb | a nuclear weapon in which enormous energy is released by nuclear fission (splitting the nuclei of a heavy element like uranium or plutonium ) |
atomic clock | a timepiece that derives its time scale from the vibration of atoms or molecules |
atomic cocktail | an oral dose of radioactive substance used in treatment and diagnosis of cancer |
atomic pile atomic reactor pile chain reactor | a nuclear reactor that uses controlled nuclear fission to generate energy |
atomic warhead nuclear warhead thermonuclear warhead nuke | the warhead of a missile designed to deliver an atom bomb |
nautilus nuclear submarine nuclear-powered submarine | a submarine that is propelled by nuclear power |
nuclear-powered ship | ship whose motive power comes from the energy of a nuclear reactor |
nuclear reactor reactor | (physics) any of several kinds of apparatus that maintain and control a nuclear reaction for the production of energy or artificial elements |
nuclear rocket | a rocket engine in which a nuclear reactor is used to heat a propellant |
nuclear weapon atomic weapon | a weapon of mass destruction whose explosive power derives from a nuclear reaction |
warhead payload load | the front part of a guided missile or rocket or torpedo that carries the nuclear or explosive charge or the chemical or biological agents |
atomic mass atomic weight relative atomic mass | (chemistry) the mass of an atom of a chemical element expressed in atomic mass units |
nuclear medicine | the branch of medicine that uses radioactive materials either to image a patient's body or to destroy diseased cells |
radiochemistry nuclear chemistry | the chemistry of radioactive substances |
nuclear physics atomic physics nucleonics | the branch of physics that studies the internal structure of atomic nuclei |
atomism atomic theory atomist theory atomistic theory | (chemistry) any theory in which all matter is composed of tiny discrete finite indivisible indestructible particles, the ancient Greek philosophers Democritus and Epicurus held atomic theories of the universe |
atomic theory | a theory of the structure of the atom |
nuclear engineering | the branch of engineering concerned with the design and construction and operation of nuclear reactors |
nuclear explosion atomic explosion | the explosion of an atomic bomb |
nuclear club | the nations possessing nuclear weapons |
nuclear family conjugal family | a family consisting of parents and their children and grandparents of a marital partner |
Atomic Energy Commission AEC | a former executive agency (from to ) that was responsible for research into atomic energy and its peacetime uses in the United States |
Nuclear Regulatory Commission NRC | an independent federal agency created in to license and regulate nuclear power plants |
International Atomic Energy Agency IAEA | the United Nations agency concerned with atomic energy |
nuclear chemist radiochemist | a chemist who specializes in nuclear chemistry |
nuclear physicist | a physicist who specializes in nuclear physics |
atomic energy nuclear energy | the energy released by a nuclear reaction |
atomic power nuclear power | nuclear energy regarded as a source of electricity for the power grid (for civilian use) |
atomic spectrum | (physics) a spectrum of radiation caused by electron transitions within an atom, the series of spectrum lines is characteristic of the element |
nuclear winter | a long period of darkness and extreme cold that scientists predict would follow a full-scale nuclear war, a layer of dust and smoke in the atmosphere would cover the earth and block the rays of the sun, most living organisms would perish |
nuclear resonance | the resonance absorption of a gamma ray by a nucleus identical to the nucleus that emitted the gamma ray |
nuclear magnetic resonance NMR proton magnetic resonance | resonance of protons to radiation in a magnetic field |
nuclear propulsion | the use of a nuclear reactor either to produce electricity to power an engine (as in a nuclear submarine) or to directly heat a propellant (as in nuclear rockets) |
fission nuclear fission | a nuclear reaction in which a massive nucleus splits into smaller nuclei with the simultaneous release of energy |
fusion nuclear fusion nuclear fusion reaction | a nuclear reaction in which nuclei combine to form more massive nuclei with the simultaneous release of energy |
meltdown nuclear meltdown | severe overheating of the core of a nuclear reactor resulting in the core melting and radiation escaping |
nuclear reaction | (physics) a process that alters the energy or structure or composition of atomic nuclei |
atomic number | the order of an element in Mendeleyev's table of the elements, equal to the number of protons in the nucleus or electrons in the neutral state of an atom of an element |
atomic mass unit | unit of mass for expressing masses of atoms or molecules |
gram atom gram-atomic weight | the quantity of an element whose weight in grams is numerically equal to the atomic weight of the element |
nuclear cataract | a cataract that affects the nucleus of the lens |
actinium Ac atomic number | a radioactive element of the actinide series, found in uranium ores |
aluminum aluminium Al atomic number | a silvery ductile metallic element found primarily in bauxite |
americium Am atomic number | a radioactive transuranic metallic element, discovered by bombarding uranium with helium atoms |
antimony Sb atomic number | a metallic element having four allotropic forms, used in a wide variety of alloys, found in stibnite |
argon Ar atomic number | a colorless and odorless inert gas, one of the six inert gases, comprises approximately % of the earth's atmosphere |
arsenic As atomic number | a very poisonous metallic element that has three allotropic forms, arsenic and arsenic compounds are used as herbicides and insecticides and various alloys, found in arsenopyrite and orpiment and realgar |