uranium 238


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uranium 238


n.
the radioactive uranium isotope having a mass number of 238, used chiefly in nuclear reactors as a source of the fissionable isotope plutonium 239.
[1940–45]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.uranium 238 - the commonest isotope of uraniumuranium 238 - the commonest isotope of uranium; it is not fissionable but when irradiated with neutrons it produces fissionable plutonium 239
atomic number 92, uranium, U - a heavy toxic silvery-white radioactive metallic element; occurs in many isotopes; used for nuclear fuels and nuclear weapons
References in periodicals archive ?
This left the fuel in a very unstable condition, with actual nuclear fuel complete with uranium 238, 235 and all the fission products, in contact with water.
It is only at a later stage after its transformation into Uranium 238, that it can be enriched into plutonium.
When we combine these vectors with the administration of experimental, genetically engineered vaccines and a field of radiation from Uranium 238 weapons, the assault on the immune system is heightened far beyond even the sum of each of those causes taken separately.