Meaning radioactivity
What does radioactivity mean? Here you find 54 meanings of the word radioactivity. You can also add a definition of radioactivity yourself

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radioactivity


1) The effect of radioactive material, emitting alpha rays, beta rays, and gamma rays. 2) Also used to describe in present tense the nature of radioactive material.
Source: minerals.net

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radioactivity


  The spontaneous emission of radiation from the nucleus of an atom. Radionuclides lose particles and energy through this process.
Source: eia.gov

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radioactivity


Spontaneous emission of particles or high-energy electromagnetic radiation from the nuclei of unstable atoms. "Radiation" refers to the emissions, and "radioactive source" refers t [..]
Source: antoine.frostburg.edu

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radioactivity


Naturally occurring nuclides which are radioactive. A distinction is drawn between natural radionuclides which are continuously regenerated by nuclear reactions of cosmic radiation, cosmogenic radionu [..]
Source: euronuclear.org

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radioactivity


Property of certain substances to convert without external effect, emitting a characteristic radiation. Radioactivity was discovered for uranium by Becquerel in 1896. If the substances, or to be more [..]
Source: euronuclear.org

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radioactivity


The spontaneous decay of the nucleus of an element. It involves the change in the number of protons in the nucleus and therefore creates an atom of a new element.
Source: ge-at.iastate.edu

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radioactivity


1899, from French radioactivité, coined 1898 by the Curies; see radioactive.
Source: etymonline.com

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radioactivity


The disintegration of unstable heavy atomic nuclei into lighter, more stable, atomic nuclei, accompanied in the process by the emission of ionizing radiation (alpha particles, beta particles or gamma [..]
Source: physicsoftheuniverse.com

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radioactivity


emission of energetic particles by some elements or isotopes.
Source: nationalgeographic.org

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radioactivity


The spontaneous transition of an atomic nucleus to a lower energy state (radioactive decay) accompanied by the emission of an alpha particle, a beta particle, or gamma radiation. Alpha emission result [..]
Source: glossary.ametsoc.org

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radioactivity


The spontaneous decay of certain rare, unstable, atomic nuclei into more stable atomic nuclei. A natural by-product of this process is the release of energy.
Source: amazingspace.org

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radioactivity


radiation: the spontaneous emission of a stream of particles or electromagnetic rays in nuclear decay (radioactive) exhibiting or caused by radioactivity; "radioactive isotope&quo [..]
Source: google-dictionary.so8848.com

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radioactivity


See what is Radioactivity.
Source: buzzle.com

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radioactivity


The spontaneous decay of certain rare, unstable, atomic nuclei into more stable atomic nuclei. A natural by-product of this process is the release of energy.
Source: hubblesite.org

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radioactivity


The spontaneous emission of radiation, generally alpha or beta particles, often accompanied by gamma rays, from the nuclei of an unstable isotope. As a result of this emission the radioactive isotope [..]
Source: atomicarchive.com

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radioactivity


The spontaneous emission of radiation, generally alpha or beta particles, often accompanied by gamma rays, from the nucleus of an unstable isotope.
Source: nti.org

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radioactivity


Spontaneous decay of atomic nuclei. An unstable nucleus may decay to one or more lighter nuclei. During the process radiation is emitted. There are three types of radioactive emissions: alpha particles (nuclei of helium), beta-rays (fast electrons) and gamma rays (high-energy photons). In the Universe radioactive atoms are formed in supernova explo [..]
Source: sci2.esa.int

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radioactivity


The emission of radiation by unstable atoms in the form of particles and rays. radioisotope
Source: mhhe.com

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radioactivity


radioactivity (pop)
Source: users.ugent.be

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radioactivity


The quality of emitting or the emission of corpuscular or electromagnetic radiations consequent to nuclear disintegration, a natural property of all chemical elements of atomic number above 83, and po [..]
Source: medindia.net

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radioactivity


  The spontaneous release of energy from atomic nuclei.
Source: quick-facts.co.uk

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radioactivity


The spontaneous decay of an unstable atomic nucleus, giving rise to the emission of radiation.
Source: world-nuclear.org

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radioactivity


spontaneous emission of radiation, either directly from unstable atomic nuclei or as a consequence of a nuclear reaction.
Source: sci.waikato.ac.nz

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radioactivity


The spontaneous process of a sample of a radionuclide undergoing a change by the emission of particles or rays.
Source: college.cengage.com

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radioactivity


The ability of certain nuclides to emit particles, gamma rays or x-rays during their spontaneous decay into other nuclei. The final outcome of radioactive decay is a stable nuclide.
Source: ansto.gov.au

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radioactivity


process by which an unstable nucleus gives off nuclear radiation. radiometric dating -
Source: alanpedia.com

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radioactivity


The random release of matter or energy from the nucleus of an unstable atom.
Source: propertiesofmatter.si.edu

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radioactivity


The spontaneous breakdown of an atomic nucleus with the emission of particles and rays.
Source: boomeria.org

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radioactivity


Spontaneous emission of particles or energy from an atomic nucleus as it disintegrates
Source: web.archive.org

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radioactivity


The decay (disintegration) of atomic nuclei, giving rise to alpha, beta and/or gamma radiation. See Activity.
Source: frankswebspace.org.uk

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radioactivity


The spontaneous decay of disintegration of an unstable atomic nucleus accompanied by the emission of radiation.
Source: www2.lbl.gov

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radioactivity


HP See Activity.
Source: users.zetnet.co.uk

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radioactivity


Spontaneous emission of radiation as a consequence of a nuclear reaction, or directly from the breakdown of an unstable nucleus. The radiation so emitted; including gamma rays, alpha particles, neutro [..]
Source: allwords.com

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radioactivity


The process of undergoing the transformation of an unstable nucleus by the spontaneous emission of radiation, generally alpha or beta particles, often accompanied by gamma rays, from the nucleus of an [..]
Source: hps.org

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radioactivity


(n) the spontaneous emission of a stream of particles or electromagnetic rays in nuclear decay
Source: beedictionary.com

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radioactivity


Is the emission of radiation from an unstable atomic nucleus. This emission of energy is called radioactive decay. The radiation can be emitted in the form of a positively charged alpha particle (a), [..]
Source: physics.ie

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radioactivity


Term describing the spontaneous decay of some nuclei (Martin).
Source: facebook.com

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radioactivity


The property of a radionuclide to spontaneously emit ionising radiation. It arises from the breakdown of an unstable nucleus
Source: cyberphysics.co.uk

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radioactivity


Discovered by French physicist Henri Becquerel in 1896, a natural phenomenon whereby unstable atomic nuclei split into two (sometimes three) lighter nuclei, releasing high-energy electromagnetic waves [..]
Source: planete-energies.com

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radioactivity


The decay of an unstable atomic nucleus or isotope.
Source: powerengineering.org

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radioactivity


the spontaneous decomposition of an unstable element, with the simultaneous emission of rays of particles.
Source: chem.purdue.edu

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radioactivity


Radioactivity occurs when the nucleus of an atom breaks up into two or more pieces. A neutron is often released during radioactive decay. More Information: Radioactivity
Source: chem4kids.com

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radioactivity


Instability of some atomic nuclei, causing them to change spontaneously to a lower energy level or to modify the number of protons and neutrons they contain. The 3 "classical" types [..]
Source: phy6.org

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radioactivity


The spontaneous transformation of a nuclide into one or more different nuclides, accompanied by either the emission of particles from the nucleus, nuclear capture or ejection of orbital Electrons, or [..]
Source: online-medical-dictionary.org

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radioactivity


The property of spontaneously emitting alpha, beta or gamma rays by the decay of the nuclei of atoms. Reconnaissance
Source: adrianaresources.com

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radioactivity


The effect of radioactive material, emitting alpha, beta, and gamma rays. Also used to describe in present tense the nature of radioactive material.
Source: greatmining.com

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radioactivity


Energy in the form of alpha, beta, and gamma radiation that is emitted by certain minerals with unstable nuclei, such as those containing the elements radium, thorium, and uranium.
Source: celestialearthminerals.com

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radioactivity


The property of spontaneously emitting alpha, beta or gamma rays by the decay of the nuclei of atoms. Radon survey
Source: mrag.ca

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radioactivity


The spontaneous decay of certain rare, unstable, atomic nuclei into more stable atomic nuclei. A natural by-product of this process is the release of energy.
Source: amazing-space.stsci.edu

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radioactivity


Radioactivity is the property of a nucleus in unstable atoms that causes them to spontaneously release energy in the form of photons (e.g., gamma rays) or subatomic particles (e.g., alpha or beta part [..]
Source: radiationanswers.org

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radioactivity


A property exhibited by unstable isotopes of elements that decay, emitting radiation, principally as α─particles, ί─particles, and Γ─rays.
Source: web.deu.edu.tr

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radioactivity


|Radioactivity
Source: en.wiktionary.org

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radioactivity


The emission of ionising radiation or particles caused by the natural disintegration of atomic nuclei.
Source: rgs.org

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radioactivity


The property possessed by some elements (such as uranium) of spontaneously emitting energy in the form of radiation as a result of the decay (or disintegration) of an unstable atom. Radioactivity is also the term used to describe the rate at which radioactive material emits radiation. Radioactivity is measured in curies (Ci), becquerels (Bq), or di [..]
Source: nrc.gov


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