Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun uranium_238

1 sense of uranium 238

Sense 1
uranium 238 -- (the commonest isotope of uranium; it is not fissionable but when irradiated with neutrons it produces fissionable plutonium 239)
       => uranium, U, atomic number 92 -- (a heavy toxic silvery-white radioactive metallic element; occurs in many isotopes; used for nuclear fuels and nuclear weapons)