electron-orbit
electron-pair
electron-paramagnetic-resonance
electron-phonon
electron-photon
electron-proton
electron-ray
electron-sensitive
electron-sound
electron-spin-resonance
  electron-stream
electron-temperature
electron-transit
electron-trapping
electron-tube
electron-vibrational
electronvolt
electron-wave
electronystagmograph
electrooptic
electro-optical