long-period wave - magnetic resonance log
- longitudinal fissure
- longitudinal fold
- longitudinal folds of pollen
- longitudinal girder
- longitudinal joint
- longitudinal jointing
- longitudinal moraine
- longitudinal offset
- longitudinal phase
- longitudinal plan
- longitudinal section
- longitudinal sill
- longitudinal stiffness
- longitudinal traversing
- longitudinal wave
- longitudinal-wave recording
- longitudinally rotating cutting head
- Longmyndian
- longshore
- longshore bar
- longshore current
- longspined bullhead
- longspined fatherlasher
- longulite
- longulites
- longwall
- longwall advancing
- longwall coal cutting machine
- longwall cutter
- longwall face
- longwall face development
- longwall method
- longwall mining
- longwall retreating
- longwall set of equipment
- longwall shortwall
- longwall slicing
- longwall stoping
- longwall undercutter
- longwall work