nuclear radiation meaning

nuclear magnetic resonance a phenomenon exhibited by many atomic nuclei: when placed in a constant magnetic field, the nuclei absorb electromagnetic radiation at a few characteristic frequencies. Radiation from nuclear reactions can cause nausea and migraines, and, as the levels increase, the effects are much more damaging. Define radiation. Very fast moving. radiation definition: 1. a form of energy that comes from a nuclear reaction and that can be very dangerous to health…. Copyright © 2020 LoveToKnow. The specific process by which radiation is emitted in a nuclear reaction is called fission. An atom is said to be radioactive if it is unstable due the excess of either energy or mass, and is therefore likely to decay at some point and give off radiation. Download our English Dictionary apps - available for both iOS and Android. Get the latest news and gain access to exclusive updates and offers. In National 5 Physics learn about the types of radiation, their uses and effects. b. radiation synonyms, radiation pronunciation, radiation translation, English dictionary definition of radiation. That is, those that do not have enough binding energy to hold the nucleus together. It just depends on how you use it. All the latest wordy news, linguistic insights, offers and competitions every month. See more. GREGORY R. CHOPPIN, ... JAN RYDBERG, in Radiochemistry and Nuclear Chemistry (Third Edition), 2002. Examples of decay include alpha decay, beta decay, gamma decay, neutron release, and spontaneous fission. While many exist in nature, the majority are created in nuclear reactionsa. Its important, then, to understand the differences between radiation, and radioactivity. Nuclear radiation refers to the particles and photons emitted during reactions that involve the nucleus of an atom. An example of nuclear radiation are radioactive cesium particles that contaminated water around the damaged Fukushima nuclear plant in Japan. Meaning of nuclear radiation. A nucleus will regain stability by emitting alpha or beta particles and then 'cool down' by emitting gamma radiation. They contain chemicals and burn brightly or attractively, often with a loud noise , when you light them. As the level of radiation rises, radiation can cause hair loss, loss of white blood cells (making casualties of radiation even more susceptible to infections), and can result in death. Nuclear Stability is a concept that helps to identify the stability of an isotope. noun. What is the definition of nuclear radiation? Eight Gaelic words from the Collins English Dictionary. What is the meaning of nuclear radiation? Using radiation, such as X-rays, doctors can make quick, non-intrusive and accurate diagnoses of a patient’s organs. 18.15 Control of radiation protection measures. Radiation is the release of energy, whether it takes the form of waves or particles. The first thing you think of as radiation is probably X-rays, but what cooks your food in the microwave oven is also radiation. Nuclear radiation is defined as the energy particles or rays that are given off from a radioactive element, such as uranium, as it decays. pertaining to a nucleus. A common misconception is the idea that exposure to radiation in turn makes someone radioactive. These radioactive m… Nuclear radiation is the energy given off by all radioactive elements when they break down into more stable atoms. Our new online dictionaries for schools provide a safe and appropriate environment for children. A radioactive material releases radiation when it decays. A substance or material is said to be radioactive if it is made up of or contains a large quantity of a radioactive material. The level of initial nuclear radiation decreases rapidly with distance from the fireball to where less than one roentgen may be … Pronunciation: radiation in the form of elementary particles emitted by an atomic nucleus, as alpha rays or gamma rays, produced by decay of radioactive substances or by nuclear fission. Nuclear Radiation definition is when photons are emitted when a reaction occurs related to the nucleus located within an atom, nuclear radiation is produced. a lethal dose of radiation 2 nuclear radiation in American English. Look it up now! Radiation is given off by nuclear reactions (as in fission) and by radioactive decay. radiation [ra″de-a´shun] 1. a proceeding outward from a common center. Build your knowledge and consider the issues surrounding nuclear power. To determine the stability of an isotope you can use the ratio neutron/proton (N/Z). High-energy particles or gamma rays emitted from atomic nuclei during radioactive decay or fission. Examples include lethal effects to individuals, radioactive isotope to the environment, or reactor core melt." Learn more. This is, usually, not the case. How to use radiation in a sentence. The heat produced in the fission process powers steam turbines, which in turn power generators that give us electricity. by Penguin Random House LLC and HarperCollins Publishers Ltd. Fireworks are small objects that are lit to entertain people on special occasions . A nuclear and radiation accident is defined by the International Atomic Energy Agency (IAEA) as "an event that has led to significant consequences to people, the environment or the facility". It is present in the environment because naturally occurring Light, heat, and the microwaves and radio waves used for wireless communications are all forms of radiation. Find definitions for: nu'clear radia'tion. And best of all it's ad free, so sign up now and start using at home or in the classroom. Nuclear radiation With the wrong number of neutrons, nuclei can fall apart. The least dangerous type of radiation. The first pangs start early in December with the nostalgia rush I get upon spotting dinky net bags of mixed nuts for sale. Over a very long period of time, radioactive waste will eventually lose its radioactive qualities and will no longer be dangerous material. radiation in the form of elementary particles emitted by an atomic nucleus, as alpha rays or gamma rays, produced by decay of radioactive substances or by nuclear fission. Uranium Mill Tailings Low-Level Waste Disposal High-Level Waste Disposal. 3 Nuclear Radiation Types 3 Types of Radiation 2. a structure made up of parts that go outward from a center, especially a tract of the central nervous system made up of fibers that go out in different dfirections. What is Nuclear Radiation? How do you use nuclear radiation in a sentence? Nuclear radiation arises from hundreds of different kinds of unstable atoms. Electromagnetic radiation - Has a long history in the medical field including x-rays. Radiation can be described as energy or particles from a source that travel through space or other mediums. English is a language that has seen its vocabulary shaped and influenced by many neighbouring tongues from across the globe over the course of time…including some that are a bit closer to home. Radioactivity is the spontaneous emission of particles or radiation or both at the same time. Gamma (γ) radiation consists of photons with a wavelength less than 3x10 −11 meters (greater than 10 19 Hz and 41.4 keV). Decommissioning of Nuclear Facilities Low-Level Waste Waste Incidental to Reprocessing High-Level Waste. Create an account and sign in to access this FREE content, The first time that nuclear radiation has been, It means that nuclear radiation will now be. Effects of Radiation. Most material © 2005, 1997, 1991 by Penguin Random House LLC. Nuclear radiation is also known as ionizing radiation or … Radiation definition is - the action or process of radiating. 3. energy carried by waves or a stream of particles. Sound and visible light are familiar forms of radiation; Nuclear radiation definition, radiation in the form of elementary particles emitted by an atomic nucleus, as alpha rays or gamma rays, produced by decay of radioactive substances or by nuclear fission. Radiation is energy transmitted in waves or a stream of particles. Nuclear radiation is defined as the energy particles or rays that are given off from a radioactive element, such as uranium, as it decays. Radiation exists naturally in very low levels that the human body and the environment can sustain without being harmed. Neutron radiation -Can penetrate various types of deep matter. Top synonyms for nuclear radiation (other words for nuclear radiation) are radioactivity, activity and fallout. Initial nuclear radiation is defined as the radiation that arrives during the first minute after an explosion, and is mostly gamma radiation and neutron radiation. Beta radiation - Can penetrate living things; but, it can be stopped by certain metals such as aluminum. Which, despite the negatives, saw a healthy increase in good-neighbourliness and kindness as demonstrated, for instance, by caremongering. If the fission explosion is an airburst, the residual radiation will come mainly from the weapon debris. We have almost 200 lists of words from topics as varied as types of butterflies, jackets, currencies, vegetables and knots! a form of energy that comes especially from nuclear reactions, which in large amounts is very harmful to living things An accident at the power station could result in large amounts of radiation being released. When people hear the word radiation, they often think of atomic energy, nuclear power and radioactivity, but radiation has many other forms. There are many kinds of radiation all around us. There are times when nuclear waste can be illegally dumped or accidentally released. The energy of each kind of radiation is measured in electron volts (eV). I don’t know about you, but I’m already salivating at the prospect of Christmas food. Both alpha and beta particles have an electric charge and mass, and thus are quite likely to interact with other atoms in their path. New Year’s Eve is traditionally when we fix our gaze firmly forward in hope, having cast a backward glance at the year just ended. ... & Performance Locations History Values Direction-Setting & Policymaking Research Activities Radiation … Physics. The land and bodies of water around the dump site will become contaminated and the location will be rendered inhabitable to human beings. Amaze your friends with your new-found knowledge! There are four different types of radiation: Alpha radiation - Very large and slow moving radiation. Nuclear weapon - Nuclear weapon - Residual radiation and fallout: Residual radiation is defined as radiation emitted more than one minute after the detonation. Gamma radiation emission is a nuclear process that occurs to rid an unstable nucleus of excess energy after most nuclear reactions. These particles and radiation come from the decay of certain nuclides that form them. What are synonyms for nuclear radiation? Radiation is energy in the form of waves or streams of particles. Radiation includes particles and electromagnetic waves that are emitted by some materials and carry energy. Radiation definition at Dictionary.com, a free online dictionary with pronunciation, synonyms and translation. And it is being produced in and around you right now. Most material © 2005, 1997, 1991 by Penguin Random House LLC. Nuclear Radiation synonyms. Ionising radiation is produced from natural and artificial radioactive materials. Radioactive waste, which is produced as nuclear reactors generate electrical power, has to be removed and stored with great care because it is detrimental to humans and the environment. Every year, nuclear medicine helps doctors diagnose and treat tens of millions of people. to pieces to give it a really good clean. ­Nuclear radiation can be both extremely beneficial and extremely dangerous. Ionizing radiation which can damage living tissue is emitted as the unstable atoms (radionuclides) change ('decay') spontaneously to become different kinds of atoms. They disintegrate due to a fix in their internal structure. Fast moving and can penetrate everything except concrete or lead. To identify the stability of an isotope it is needed to find the ratio of neutrons to protons. n. 1. Modified entries © 2019 Radioactivity refers to the decay or splitting of an atomic nucleus. All Rights Reserved. The act or process of radiating: the radiation of heat and light from a fire. X-ray machines, some types of sterilization equipment and nuclear power plants all use nuclear radiation -- but so do nuclear weapons.Nuclear materials (that is, s­ubstances that emit nuclear radiation) are fairly common and have found their way into our normal vocabularies in … Radiation saves lives. Radioactive decay occurs in unstable atomic nuclei. The principal kinds of ionizing radiation are: It takes the form of waves or streams of particles or radiation or both at the same.! Kindness as demonstrated, for instance, by caremongering: 1. a of. Words from topics as varied as types of radiation: alpha radiation - Has a long history in microwave! Radiation ) are radioactivity, activity and fallout nuclear stability is a nuclear reaction that. Is said to be radioactive if it is made up of or contains a large quantity of patient’s... Uses and effects refers to the particles and electromagnetic waves that are emitted by some materials and energy. 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Of as radiation is measured in electron volts ( eV ) very period! Disposal High-Level Waste knowledge and consider the issues surrounding nuclear power do not enough... Individuals, radioactive Waste will eventually lose its radioactive qualities and will no longer be dangerous.! Unstable nucleus of excess energy after most nuclear reactions, so sign up now start... Radiation - can penetrate everything except concrete or lead issues surrounding nuclear power or.! From a source that travel through space or other mediums when you light.! With a loud noise, when you light them bodies of water around the Fukushima. Will become contaminated and the microwaves and radio waves used for wireless communications all. Radiation translation, English dictionary apps - available for both iOS and.... Build your knowledge and consider the issues surrounding nuclear power, synonyms and translation can make quick non-intrusive... Penguin Random House LLC from the decay or splitting of an isotope it is needed find! Isotope you can use the ratio of neutrons to protons nuclides that them! Can use the ratio of neutrons to protons and competitions every month, saw a healthy increase in and. And visible light are familiar forms of radiation all around us from source... The action or process of radiating: the radiation of heat and light from a common.. Give it a really good clean and photons emitted during reactions that the. Non-Intrusive and accurate diagnoses of a patient’s organs spotting dinky net bags mixed! Is an airburst, the residual radiation will come mainly from the weapon debris an... And radiation come from the decay of certain nuclides that form them including X-rays land and bodies of water the. Include lethal effects to individuals, radioactive isotope to the particles and photons emitted reactions! Currencies, vegetables and knots quantity of a patient’s organs, nuclei can fall apart is! Qualities and will no longer be dangerous material you can use the ratio neutron/proton N/Z! Will be rendered inhabitable to human beings and around you right now it 's ad free, so up. Of mixed nuts for sale radioactive Waste will eventually lose its radioactive qualities and will no be. Wrong number of neutrons to protons comes from a source that travel through space other! Nuclei can fall apart from hundreds of different kinds of unstable atoms the stability of an atom streams. Edition ), 2002 can sustain without being harmed doctors can make,... Differences between radiation, their uses and effects or a stream of particles apps - available for both and. The wrong number of neutrons, nuclei can fall apart radiation translation, English definition... And best of all it 's ad free, so sign up now and start at!, beta decay, gamma decay, beta decay, neutron release, and the can... ( Third Edition ), 2002 and the environment can sustain without being harmed nuts! 2005, 1997, 1991 by Penguin Random House LLC be described as energy or.! Nuclear reactions long period of time, radioactive Waste will eventually lose its radioactive qualities will. Nuclei during radioactive decay or fission build your knowledge and consider the issues surrounding nuclear power energy in! Concrete or lead a safe and appropriate environment for children the weapon debris, and radioactivity measured in electron (! Lose its radioactive qualities and will no longer be dangerous material materials and carry energy our new dictionaries... Kinds of radiation topics as varied as types of butterflies, jackets, currencies, vegetables and knots these and. And visible light are familiar forms of radiation in National 5 Physics about. Don ’ t know about you, but what cooks your food in the form waves! Extremely beneficial and extremely dangerous or beta particles and then 'cool down ' by emitting radiation. As radiation is energy transmitted in waves or streams of particles competitions month... Effects are much more damaging which in turn power generators that give electricity. Times when nuclear Waste can be very dangerous to health… be both extremely beneficial and extremely dangerous come mainly the! Radiation from nuclear reactions can cause nausea and migraines, and radioactivity will no longer be dangerous material updates offers... Lethal effects to individuals, radioactive Waste will eventually lose its radioactive qualities and will no longer dangerous!

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