Definition: Nuclear fusion is a nuclear reaction in which two light nuclei (such as hydrogen) combine to form a heavier nuclei (such as helium). The process releases excess binding energy from the reaction, based upon the binding energies of the atoms involved in the process.
Nuclear Fusion
By Andrew Zimmerman Jones, About.com
Nuclear Fusion - related terms
Explore Physics
Must Reads
About.com Special Features
How to Ace the GRE
Being well prepared is the first step; here are more essential suggestions. More >
The Business School Lowdown
Everything from choosing a school and applying, to employment after graduation. More >
©2009 About.com, a part of The New York Times Company.
All rights reserved.