atomic number 92

Definitions of atomic number 92

1. noun

   a heavy, silvery-white, highly radioactive metallic element used for nuclear fuel and weapons
   synonyms: U, uranium

   types:

   uranium 235

   a uranium isotope with mass number 235; capable of sustaining chain reactions

   uranium 238

   the commonest isotope of uranium; it is not fissionable but when irradiated with neutrons it produces fissionable plutonium 239

   type of:

   metal, metallic element

   any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.