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.

Origin of nuclear fuel

First recorded in 1945–50

Words nearby nuclear fuel

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

British Dictionary definitions for nuclear fuel

nuclear fuel

noun

a fuel that provides nuclear energy, used in nuclear power stations, nuclear submarines, etc