| Abbreviation | Definition |
|---|---|
| L3U | Last Three Units |
| LAB | Live Audio Board |
| LAD | Line Amplifying Device |
| LAR | Length As Required |
| LB | Low Battery |
| LBT | Little Black Thing |
| LC | Life Cycle |
| LC | Light Casing |
| LC | Linux Cloud |
| LCA | Logic Cell Array |
| LCC | Leadless Chip Carrier |
| LCD | Low Cost Display |
| LCH | Luminosity, Chroma, and Hue |
| LCM | Liquid Crystal Monitor |
| LCN | Logical Cluster Number |
| LCT | Low Cost Technology |
| LD | Laser Disc |
| LDM | Line Driver Modem |
| LE | Latch Enable |
| LE | Low End |