n. An electron ejected from the surface of a material by the photoelectric effect
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. an electron that is emitted from an atom or molecule by an incident photon
Word Usage
"Rosenberg used X-rays from the Advanced Photon Source to bombard chiral molecules adsorbed on a magnetic substrate and x-ray photoelectron spectroscopy to track changes in the molecular bonds."