| Acronym | Meaning |
| IRGCHAZ | Intercritically Reheated Grain-coarsened Heat-affected Zone |
| DMPK | Myotonic Dystrophy Protein Kinase |
| MOG | Mobil Olefins-to-gasoline [process] |
| GCTM | Global Chemical Transport Model |
| DMICS | Design Methods For Integrated Control Systems [propulsion] |
| AGGG | Advisory Group On Greenhouse Gases |
| AIHC | American Industrial Health Council |
| TC | Toxicity Characteristic |
| SLPM | Standard Liters Per Minute |
| BSA | Breathing-sphere Approxn. (for Inelastic Mol. Collisions) |