electron coupling oscillating circuit
electron covalent bond
electron current
electron deficiency
electron density
electron diffraction
electron diffraction apparatus
electron diffraction contrast effect
electron discharge tube
electron drift
electron emission constant
electron emission decay
electron emission density
electron envelope
electron evaporation
electron flow
electron geometrical optics
electron gun
electron-gun cathode
electron-hole
electron-hole collision
electron-hole pair
electron-hole pair generation
electron-hole recombination
electron illuminating system
electron image
electron image tube
electron indicator tube
electron injection current
electron lattice theory