Also found in: Medical, Encyclopedia, Wikipedia.
The increase in wavelength of electromagnetic radiation, especially of an x-ray or a gamma-ray photon, scattered by an electron.
[After Arthur Holly Compton.]
(General Physics) a phenomenon in which a collision between a photon and a particle results in an increase in the kinetic energy of the particle and a corresponding increase in the wavelength of the photon
[C20: named after Arthur Holly Compton ]