Physics.
a radioactive process in which an alpha particle is emitted from the nucleus of an atom, decreasing its atomic number by two.
[ 1935-40 ]
Physics.
a radioactive process in which an alpha particle is emitted from the nucleus of an atom, decreasing its atomic number by two.
[ 1935-40 ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012