URANIUM 238


Meaning of URANIUM 238 in English

Function: noun

Date: 1942

: an isotope of uranium of mass number 238 that is the most stable uranium isotope, that constitutes over 99 percent of natural uranium, that is not fissile but can be used to produce a fissile isotope of plutonium, and that has a half-life of 4.5 billion years

Merriam Webster Collegiate English Dictionary.      Merriam Webster - Энциклопедический словарь английского языка.