| The New Dictionary of Cultural Literacy, Third Edition. 2002. |
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| fusion, nuclear |
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| The combining of two small atomic nuclei to form a larger nucleus, sometimes with the release of energy. (Compare nuclear fission.) | 1 |
| ‡ The fusion of hydrogen into helium releases huge amounts of energy and is the main energy source of stars, including the sun. | 2 |
| ‡ Hydrogen bombs use the energy of fusion. | 3 |
| ‡ The use of fusion as a controllable energy source on Earth is still in its experimental stages. | 4 |
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| | | The New Dictionary of Cultural Literacy, Third Edition. Edited by E.D. Hirsch, Jr., Joseph F. Kett, and James Trefil. Copyright © 2002 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved. |
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