| Abbreviation | Definition |
|---|---|
| LGQ | Loop Quantum Gravity |
| LH | Left Handed |
| LH | Light Hadrons |
| LH | Light Hole |
| LHEP | Left Hand Elliptical Polarization |
| LHM | Liquide Hydraulique Minerale |
| LICP | Lanzhou Institute of Chemical Physics |
| LIM | Local Infinitesimal Motion |
| LIMAO | Laser-Induced Molecular Alignment and Orientation |
| LIPC | Laser Induced Plasma Channel |
| LIPS | Lorentz Invariant Phase Space |
| LISA | Local Indicators of Spatial Association |
| LISS | Linear Imaging Self-Scanning |
| LITA | Laser-Induced Thermal Acoustics |
| LITO | Laser Imaging Through Obscurants |
| LITP | Lewiner Institute for Theoretical Physics |
| LJP | Lennard-Jones Potential |
| LLB | Laboratoire Leon Brillouin |
| LLD | Lamp Lumen Depreciation |
| LLD | Laser Light Detector |