Physics.
radiation consisting of electromagnetic waves, including radio waves, infrared, visible light, ultraviolet, x-rays, and gamma rays.
[ 1950-55 ]
Physics.
radiation consisting of electromagnetic waves, including radio waves, infrared, visible light, ultraviolet, x-rays, and gamma rays.
[ 1950-55 ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012