| Acronym | Meaning |
| PI | Plugging Index |
| WIG | W-inert Gas Welding |
| BH | Barbanis Hamiltonian |
| LPPS | Low-pressure Plasma Spraying |
| GANC | Generalized Acid Neutralization Capacity Test |
| ERD | Emergency Response Division |
| JCPDS | Joint Committee On Powder Diffraction Standards |
| FCM | Finite-cluster Model (for Calcns. On Electromigration) |
| FFM | Finite Field Method (in Mol. Polarizabilities Calcns.) |
| EPTC | Extraction Procedure Toxicity Characteristic |