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nuclear fuel

noun
1.
Physics. fissile or fertile material that undergoes fission in a nuclear reactor.
2.
any light element, as hydrogen or helium, that undergoes fusion and gives off energy within the interior of stars.
Origin
1945-1950
1945-50
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for nuclear-fuel

nuclear fuel

noun
1.
a fuel that provides nuclear energy, used in nuclear power stations, nuclear submarines, etc
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
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9
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