definitions

nuclear fuel

noun

Physics. fissile or fertile material that undergoes fission in a nuclear reactor.
any light element, as hydrogen or helium, that undergoes fusion and gives off energy within the interior of stars.

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Nearby words

nuclear emulsion, nuclear energy, nuclear envelope, nuclear family, nuclear fission, nuclear fuel, nuclear fusion, nuclear hyaloplasm, nuclear inclusion body, nuclear isomer, nuclear isomerism

Origin of nuclear fuel

First recorded in 1945–50
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for nuclear fuel

nuclear fuel

noun

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