- lattice crystal
- lattice model
- lattice plane
- lattice point
- lattice vibration
- launching stand
- lauryl
- lava ball
- lava pellet
- lava pool
- lava shield
- lay-mark
- leaching factor
- leaching solution
- leachy oil
- lead angle
- lead bar
- lead dioxide
- lead naphtenate
- lead screw
- lead shot
- lead sulfate
- lead susceptibility
- lead work
- leaded fuel
- leader
- leaflike structure
- leak clamp
- lean
- leased territory
- lard
- lard oil
- large plates
- larnite
- larsenite
- larvicide
- late cutoff
- late tertiary
- latent periods
- lateral crater
- lateral drilling
- lateral moraine
- lateral separation
- lateral sonde
- latex composition
- latex cream
- latex paint
- latex rubber
- lather oil
- latitude anomaly
- lattice constant
- lattice correspondence
- lattice defect
- lattice deformation
- lattice spacing
- laughing gas
- lava ash
- lava lake
- lava stream
- lavender
- lay
- layer reservoir
- laying on
- leachate
- leaching agent
- leaching plant
- lead chromate
- lead scavenger
- lead soap
- lead sulphate
- lead tongs
- leaded
- leading block
- leaf valve
- leakage field
- leakage water
- lean gas
- leather grease
- leather washer
- leathery cure
- leave
- ledge mater
- ledge wall
- left lay
- legal entity
- lehnerite
- lennilite
- lenticular reservoir
- Leonardian stage
- leopardite
- leptochlorite
- leptynolite
- lava cone
- laying down
- lea stone
- leach liquor
- leaching
- leaching residue
- leaching tank
- lead amalgam