单词 | nuclear energy |
释义 | nuclear energy[ noo-klee-er en-er-jee, nyoo- ] / ˈnu kli ər ˈɛn ər dʒi, ˈnyu- / SEE SYNONYMS FOR nuclear energy ON THESAURUS.COM nounenergy released by reactions within atomic nuclei, as in nuclear fission or fusion. Also called a·tom·ic en·er·gy [uh-tom-ik en-er-jee] /əˈtɒm ɪk ˈɛn ər dʒi/ . Origin of nuclear energyFirst recorded in 1925–30 Words nearby nuclear energynuclear, nuclear bomb, nuclear cataract, nuclear chemistry, nuclear emulsion, nuclear energy, nuclear envelope, nuclear family, nuclear fission, nuclear-free zone, nuclear fuel Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for nuclear energynuclear energy nounenergy released during a nuclear reaction as a result of fission or fusionAlso called: atomic energy Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Cultural definitions for nuclear energynuclear energy Energy obtained from nuclear reactions. The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. Scientific definitions for nuclear energynuclear energy The energy released by the nucleus of an atom as the result of nuclear fission, nuclear fusion, or radioactive decay. The amount of energy released by the nuclear fission of a given mass of uranium is about 2,500,000 times greater than that released by the combustion of an equal mass of carbon. And the amount of energy released by the nuclear fusion of a given mass of deuterium is about 400 times greater that that released by the nuclear fission of an equal mass of uranium. Also called atomic energy Electricity generated by a nuclear reactor. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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