| Abbreviation | Definition |
|---|---|
| LIMA | Laser-Induced Mass Analysis |
| LIMPET | Low Impact Minimally Percutaneous Electronic Transmitter |
| LIMS | Laser-Induced Mass Spectrometry |
| LIN | Linear Input Network |
| LISN | Line Impedance Stabilization Network |
| LITE | Legal Information Through Electronics |
| LJ | Lennard Jones (potential) |
| LKDM | Low k Dielectric Material (k = dielectric constant) |
| LL | Land Line |
| LLCC | LeadLess Chip Carrier |
| LLD | Low Level Discriminator |
| LLD | Lower Limit of Detection |
| LLEC | Lyon Lincoln Electric Cooperative |
| LLG | Linear Light Guide |
| LLIBTA | Large Lithium Ion Battery Technology and Application |
| LLM | Local Linear Model |
| LLNL | Lawrence Livermore National Laboratory |
| LLNQ | Least Lots Next Queue |
| LLOD | Lower Limit Of Detection |
| LLR | Large Lattice Relaxation |