| Acronym | Meaning |
| POLARIS | Photochem. Of Ozone Loss In The Arctic Region In Summer |
| UNIDO | United Nations Industrial Development Organization |
| IACS | International Annealed Copper Standard |
| THG | Third Harmonic Generation |
| OD | Optical Density |
| SSER | Spinless Salpeter Equation (with) Retardation |
| OMBE | Organic Molecular Beam Epitaxy |
| AOCS | American Oil Chemists' Society |
| ESAT | Environmental Services Assistance Team |
| ETU | Ethylene Thiourea (carcinogen |