| Abbreviation | Definition |
|---|---|
| LADD | Linear Actuation Displacement Device |
| LAEP | Laser Assisted Electrical Pistol |
| LAG | Link Aggregation Group |
| LAMMA | LAser Microprobe Mass Analysis |
| LAMMS | LAser Micro-Mass Spectroscopy |
| LAN | Local Area Network |
| LANL | Los Alamos National Laboratory |
| LAPSD | Linear Array Position Sensitive Detectors |
| LAR | Lot Age Report |
| LAT | Lossless Acoustic Transducer |
| LB | Leaky Box |
| LB | Light Bandwidth |
| LB | Loss Block |
| LB | Low Barrier |
| LB | Low Bias |
| LBA | Line Break Alarm |
| L-Band | 1435 - 1525 MHz frequency band |
| LBAR | Lateral Bulk Acoustic Resonator |
| LBB | Laboratory of Biosensors and Bioelectronics |
| LBCD | Load & Battery Control Device |