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| Subject | English | Thesaurus |
| abbr., scottish | CO2 Laser Technology | COLT |
| abbr., scottish | High Intensity Laser Missile Defence System | HILMDS |
| mil. | infrared CO2 laser | Laser which can heat the skin of a target to cause pain but will not burn the skin |
| abbr. | Laser Ablation Mask System | LAMS (Александр Рыжов) |
| Nasdaq, abbr. | Physicians Laser Services, Inc. | PHLZ |
| abbr., scottish | Submarine Laser Communications programme | SLC (USA) |