electron beam(redirected from electron beams)
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|Noun||1.||electron beam - a group of nearly parallel lines of electromagnetic radiation|
cathode ray - a beam of electrons emitted by the cathode of an electrical discharge tube
electromagnetic radiation, electromagnetic wave, nonparticulate radiation - radiation consisting of waves of energy associated with electric and magnetic fields resulting from the acceleration of an electric charge
particle beam - a collimated flow of particles (atoms or electrons or molecules)
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