ANNIHILATION RADIATION


Meaning of ANNIHILATION RADIATION in English

Physics.

electromagnetic radiation produced by the coalescence and mutual annihilation of a positron and an electron, each pair forming two photons having a minimum energy of 0.5 million electron volts each.

[ 1960-65 ]

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