electrometallurgy
electrometer
electrometric
electrometry
electromobile
electromotive
electromotor
electron
electron-beam
electron-beam-melted
  electron-beam-pumped
electron-bombardment
electron-charge
electron-diffraction
electron-discharge
electronegative
electronegativity
electron-exchanging
electron-hole
electronic
electronically

    electron-beam-pumped laser

     лазер с накачкой электронным пучком, лазер с накачкой электронным лучом

     лазер с электроннолучевой накачкой