| Acronym | Meaning |
![](file.png) | LEPD | Low-Energy Positron Diffraction |
![](file.png) | LEPECVD | Low Energy Plasma Enhanced Chemical Vapor Deposition |
![](file.png) | LEPS | London-Eyring-Polanyi-Sato (potential-energy Surface) |
![](file.png) | LEPS+IDI | London-Eyring-Polanyi-Sato + Ion Dipole Induced [potential] |
![](file.png) | LERAM | Littoral Ecosystem Risk Assessment Model |
![](file.png) | LERPC | Ligand-exchange Reagent Performance Check |
![](file.png) | LERS | Low-energy Recoil Scattering |
![](file.png) | LET | Light-emitting Transistor |
![](file.png) | LET | Linear Energy Transfer (in Spacecraft Power Systems) |
![](file.png) | LEU | Low Enrichment Uranium |
![](file.png) | LEV | Low Emission Vehicle |
![](file.png) | LFA | Long-chain Fatty Acid(s) |
![](file.png) | LFAM | Line Focus Acoustic Microscope |
![](file.png) | LFC | Load Frequency Control (battery Systems) |
![](file.png) | LFC | Loss-free Counting |
![](file.png) | LFC | Lowest Feasible Concentration |
![](file.png) | LFCC | Laboratory-frame Close-coupling (for Electron-mol. Scattering) |
![](file.png) | LFECA | Low Frequency Eddy Current Array |
![](file.png) | LFER | Linear Free Energy Relationship |
![](file.png) | LFG | Landfill Gas |
![](file.png) | LFHO | Linearly Forced Harmonic Oscillator |
![](file.png) | LFL | Lower Flammable Limit |
![](file.png) | LFM | Lateral Force Microscopy |
![](file.png) | LFMO | Ligand Field Method Combined With Linear Combination Of Atomic Orbitals-molecular Orbital Method |
![](file.png) | LFRT | Long Fiber Reinforced Thermoplastic |
![](file.png) | LFS | Li-Fraumeni Syndrome |
![](file.png) | LFT | Liver Function Test |
![](file.png) | LGFSTF | Liquefied Gaseous Fuels Spill Test Facility (DOE Mercury |
![](file.png) | LGIC | Ligand-gated Ion Channel |
![](file.png) | LGL | Large Granular Lymphocyte |
![](file.png) | LGM | Last Glacial Maximum (most Recent Era Of Continental Glaciation; See Also PGP) |
![](file.png) | LGM | Linearized Green-function Method (for Electronic-structure) |
![](file.png) | LGO | Light Gas Oil |
![](file.png) | LH | Luteinizing Hormone |
![](file.png) | LHASA | Logic And Heuristics Applied To Synthetic Analysis |
![](file.png) | LHC | Large Hadron Collider |
![](file.png) | LHD | Lower Hybrid Drift |
![](file.png) | LHDAC | Laser Heated Diamond Anvil Cell |
![](file.png) | LHDC | Lube Hydrocracking Distillate Catalyst |
![](file.png) | LHEA | Laboratory For High Energy Astrophysics |
![](file.png) | LHM | Longuet-Higgins-Murrell Approximation |
![](file.png) | LHON | Leber's Hereditary Optic Neuropathy |
![](file.png) | LHP-RHF | Longuet-Higgins-Pople Restricted Hartree-Fock Method |
![](file.png) | LHPG | Laser-heated Pedestal Growth |
![](file.png) | LHRH | Luteinizing Hormone-releasing Hormone |
![](file.png) | LHS | Latin Hypercubic Sampling |
![](file.png) | LHSF | Local Hyperspherical Surface Functions (in Quantum Calcns. On Reactive Scattering) |
![](file.png) | LHSV | Liquid Hourly Space Velocity |
![](file.png) | LIBD | Laser-induced Breakdown Detection |
![](file.png) | LIBORS | Laser Ionization Based On Resonance Saturation |