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thermonuclear reaction

noun, Chemistry, Physics.
1.
a nuclear-fusion reaction that takes place between the nuclei of a gas, especially hydrogen, heated to a temperature of several million degrees.
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for thermonuclear-reaction

thermonuclear reaction

noun
1.
a nuclear fusion reaction occurring at a very high temperature: responsible for the energy produced in the sun, nuclear weapons, and fusion reactors See nuclear fusion, hydrogen bomb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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thermonuclear-reaction in Culture

thermonuclear reaction definition


A reaction between nuclei, usually fusion, which releases very large amounts of energy.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Encyclopedia Article for thermonuclear-reaction

thermonuclear reaction

fusion of two light atomic nuclei into a single heavier nucleus by a collision of the two interacting particles at extremely high temperatures, with the consequent release of a relatively large amount of energy. Chains of thermonuclear reactions, such as the proton-proton cycle (q.v.) and the carbon cycle (q.v.), account for the energy radiated from the Sun and most other stars. In an uncontrolled state, this type of nuclear reaction is responsible for the destructive force of thermonuclear bombs. See also nuclear fusion.

Learn more about thermonuclear reaction with a free trial on Britannica.com
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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