electronic-switching
electronic-tube
electronic-vibrational
electron-impurity
electron-indicator
electron-injecting
electron-ion
electron-ionization
electron-lithography
electron-magnetic
  electron-magnon
electron-molecule
electron-multiplier
electron-neutral
electron-nuclear
electron-opaque
electron-optical
electron-orbit
electron-pair
electron-paramagnetic-resonance
electron-phonon