east dip - enantiomorphous
- elevation line
- elevation of derrick floor
- elevation of land
- elevation of the gas/oil contact
- elevation of the lower perforation
- elevation of the lowest logged indications of saturation
- elevation plot
- elevation profile
- elevator
- elevator boom
- elevator drag chain
- elevator-type loader
- ELF electromagnetic survey
- elf-arrow
- elf-bolt
- elfestorpite
- elfstorpite
- elhuyarite
- eliasite
- Elie ruby
- elimination of air
- elision
- elkerite
- elkhornite
- ellestadite
- ellipse
- ellipsoid
- ellipsoidal
- ellipsoidal lava
- ellipsoidal motion
- ellipsoidal structure
- elliptic
- elliptical anisotropy
- elliptical polarization
- elliptical wave front
- elliptical wavefront
- elliptical-shaped structure
- elliptically polarized arrivals
- elliptically polarized field
- ellipticone