Also found in: Thesaurus, Encyclopedia, Wikipedia.
Related to electron optics: electron lenses
n. (used with a sing. verb)
The science of the control of electron motion by electron lenses in systems or under conditions analogous to those involving or affecting visible light.
(General Physics) (functioning as singular) the study and use of beams of electrons and of their deflection and focusing by electric and magnetic fields
(used with a sing. v.) the study and use of the physical and optical properties of beams of electrons under the influence of electric or magnetic fields.