- Edge dislocation
- Elastic Deformation
- Elastic Recovery
- Elastomer
- Electric Field
- Electroluminescence
- Electrolyte
- Electromotive Force Series (EMF Series)
- Electron Configuration
- Electronegativity
- Energy Bands
- Electroneutrality
- Electronic State
- Electron Volt
- Electropositive
- Endurance Limit
- Equilibrium (Chemical)
- Erosion Corrosion
- Eutectic System
- Eutectic Reaction
- Eutectoid Reaction
- Excited State
- Extrinsic Semiconductors
- Extrusion