| Acronym | Meaning |
| HMA | Hybrid Microelectronics Assembly |
| GERD | Gastroesophageal Reflux Disease |
| LPA | Local Plasma Approxn. (in Calcns. Of Stopping Powers For Ions By Films) |
| HPA | Hybridization Protection Assay |
| RIC | Resource Conservation And Recovery Act Docket Information Center |
| PCID | Point-charge-induced-dipole (model |
| IA/PA | Intermediate Alky./partial Alky. |
| NPCR | Nonlinear Principal Components Regression |
| AACR | American Association For Cancer Research |
| ACR | Absolute Cryogenic Radiometer |