| Acronym | Meaning |
| AV | Apparent Viscosity |
| ACD | Allergic Contact Dermatitis |
| LTEC | Linear Thermal Expansion Coefficient |
| IGGE | Institute Of Geophysical And Geochemical Exploration |
| PV-RR | Perturbational-variational-Rayleigh-Ritz (matrix Method In Mol. Calcns.) |
| SEL | Surface Emitting Laser |
| PAECE | Protective Action Evaluator For Chemical Emergencies |
| HBT | Hanbury Brown Twiss (interferometry) |
| DWDM | Dense Wavelength Division Multiplexing |
| ADGIXA | Angular-dependent Glancing-incidence X-ray Analysis |