See Also: photoelectron(medicine)
photoelectron(dictionary)

photoelectron (iou)



photoelectron noun. E20.
[from PHOTO- + ELECTRON noun2.]
Physics. An electron released from an atom by the action of a photon; esp. one emitted from a solid surface under the action of light.
photoelec'tronic adjective of or pertaining to a photoelectron, or the interaction of light with electrons E20.
photoelec'tronics noun the branch of science and technology that deals with photoelectronic phenomena M20.