| Acronym | Meaning |
| MHA | Mott-Hubbard-Anderson (model In Band-structure Calcns.) |
| PAGE | Policy Analysis Of The Greenhouse Effect |
| SPIRIT | Single Photon Ionization Resonance Ionization To Threshold |
| CLBO | Cesium Lithium Borate |
| OGTT | Oral Glucose Tolerance Test |
| MWTA | Medical Waste Tracking Act |
| ROESY | Rotating-frame Overhauser Enhancement Spectroscopy |
| BLB | Brillouin-Levy-Berthier (theorem In MO Theory) |
| OEP | Odd-even (alkane/carbon) Predominance (geology) |
| TPH | Total Petroleum Hydrocarbons |