| Acronym | Meaning |
| LLTI | Limiting Long-Term Illness - Long Lead Time Item |
| NRDC | (U.S.) Natural Resources Defense Council |
| NLP | Natural Language Processing - Neuro-Linguistic Programming (pseudoscience) |
| MLW | Mean Low Water (nautical Charts) |
| COFT | Conduct Of Fire Trainer (military) |
| NUWC | U.S. Naval Undersea Warfare Center |
| MOID | Minimum Orbital Intersection Distance |
| USAADAC | U.S. Army Air Defense Artillery Center |
| MWESH | Machismo Wizards Extended SHelter (operating System) |
| WACC | Weighted Average Cost Of Capital (accounting) |