| Acronym | Meaning |
| LPC | Linear Predictive Coding |
| AV | Avar Language (ISO 639-1 Code) |
| SJ | Svalbard And Jan Mayen (ISO 3166 Digram) -Societas Iesu (Latin: The Society Of Jesus |
| NL | Netherlands (ISO 3166 And FIPS 10-4 Country Code Digram) - Newfoundland And Labrador (postal Symbol) |
| RCS | Radar Cross-Section - Revision Control System - Reaction Control System |
| PES | PolyEtherSulfone |
| WSJ | Wall Street Journal |
| SBCS | Single-Byte Character Set |
| THAAD | Theatre High Altitude Area Defence |
| AMCB | U.S. Army/Marine Corps Board |