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nuclear reaction
noun
reaction (def. 8).
Dictionary.com Unabridged
noun
1.
a reverse movement or tendency; an action in a reverse direction or manner.
2.
movement in the direction of political conservatism or extreme rightism.
3.
action in response to some influence, event, etc.: the nation's reaction to the President's speech.
4.
Physiology. action in response to a stimulus, as of the system or of a nerve, muscle, etc.
5.
EXPANDMedicine/Medical.
a.
the action caused by the resistance to another action.
b.
a return to the opposite physical condition, as after shock, exhaustion, or chill.
6.
Bacteriology, Immunology. the specific cellular response to foreign matter, as in testing for allergies.
7.
Chemistry. the reciprocal action of chemical agents upon each other; chemical change.
8.
9.
Mechanics. the instantaneous response of a system to an applied force, manifested as the exertion of a force equal in magnitude but opposite in direction to the applied force.
10.
COLLAPSECommerce. a decline in the market after an advance in prices.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Based on the Random House Dictionary, © Random House, Inc. 2012.
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Link To nuclear reactions
American Heritage
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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American Heritage
Cultural Dictionary
nuclear reaction definition
A reaction that changes the number of protons or neutrons in the nucleus of an atom. There are several kinds of nuclear reactions, including the fragmentation of large nuclei into smaller ones (nuclear fission), the building up of small nuclei into larger ones (nuclear fusion), and changes begun by collisions with elementary particles or other nuclei (as in particle accelerators).
The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
Dictionary.com, LLC. Copyright © 2012. All rights reserved.
