automatic locking - barren zone
- azimuthal
- azimuthal anisotropy
- azimuthal dipole sounding
- azimuthal lever
- azimuthal resolution
- azimuthal sounding
- azimuthal unconformity
- azimuthal vertical seismic profiling
- azimuthal VSP
- azimuthally anisotropic earth
- azimuthally anisotropic formation
- azimuthally anisotropic medium
- azimuthally anisotropic model
- azimuthally-dependent moveout
- azoic
- azonal peat
- azonate
- azonomonoletes
- azoproite
- azoque