thermonuclear reaction

thermonuclear reaction

noun Chemistry, Physics.
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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World English Dictionary
thermonuclear reaction
 
n
nuclear fusion See hydrogen bomb a nuclear fusion reaction occurring at a very high temperature: responsible for the energy produced in the sun, nuclear weapons, and fusion reactors

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Cultural Dictionary

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 Britannica
Encyclopedia

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.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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