| Acronym | Meaning |
| LSM | Laser Surface Melting |
| SHAPM | Shear Horizontal Acoustic Plate Mode |
| PIES | Pollution Prevention Information Exchange System |
| FTP | US Federal Test Procedure (for Exhaust Catalysts) |
| HSEES | Hazardous Substances Emergency Events Surveillance |
| DSCCR | Diffractive Sudden-closed Coupled Rotation (for Mol.-surface Scattering Calcns.) |
| DTP | Diphtheria |
| CCR | Council For Chemical Research |
| WBG | Wide-band Gap |
| RAL | Recommended Allowable Limit |