equa - face
- equilibrium reaction potential
- equilibrium structure
- equilibrium yield
- equipartition law
- equipartition of energy
- equipotential lens
- equivalent atoms
- equivalent carbon content
- equivalent electrons
- equivalent planes
- erbium
- erecting bed
- erecting crane
- erecting drawing
- erecting personnel
- erecting shop
- erection welding
- Erichsen cup-test specimen
- Erichsen cupping machine
- Erichsen ductility machine
- erichsen test
- eroded
- eroded hearth bottom
- erose
- erosed
- erosing
- erosion
- erosion corrosion
- erosion resistance
- erosion-corrosion
- erosion-resistant brick
- erosion-resistant coating
- erosivity
- erratic arc
- erratic values
- error area
- error due to
- error factor
- error in angle measurement
- error in lattice parameter value