a shower of secondary cosmic radiation, caused by the interaction of cosmic radiation or gamma radiation with the atmosphere.
Also called shower .
[ 1955-60 ]
a shower of secondary cosmic radiation, caused by the interaction of cosmic radiation or gamma radiation with the atmosphere.
Also called shower .
[ 1955-60 ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012