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fission, nuclear

fission, nuclear in Culture

fission, nuclear definition

A nuclear reaction in which a single large nucleus splits into two or more smaller nuclei. In some cases, for example with uranium, energy is released in this process.

Note: The fission of uranium 235, an isotope of uranium, supplies energy for nuclear reactors and atomic bombs.
The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
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