lara - leuc
- laramide orogeny
- laramide revolution
- larderellite
- larger foraminifer
- larnite
- larsenite
- larva
- laser beam drilling
- laser remote sensing
- lassenite
- lasurapatite
- latency
- latent heat
- latent heat of vaporization
- latent instability
- lateral
- lateral attraction
- lateral contraction
- lateral coring
- lateral curve
- lateral erosion
- lateral eruption
- lateral gradation
- lateral inflow
- lateral migration
- lateral moraine
- lateral nerve
- lateral ocellus
- lateral plate
- lateral pressure
- lateral secretion theory
- lateral till
- lateral volcanic cone
- laterite
- laterization
- laterlog
- laterlogging
- latite
- latitude
- latitude correction
