URANIUM 238


Meaning of URANIUM 238 in English

Chem.

the radioactive uranium isotope having a mass number 238, comprising 99.28 percent of natural uranium: used chiefly in nuclear reactors as a source of the fissionable isotope plutonium 239. Also called U-238, U 238 .

[ 1940-45 ]

Random House Webster's Unabridged English dictionary.      Полный английский словарь Вебстер - Random House .