| Acronym | Meaning |
| MACS | Modified Atomic Charge Superposition (in Calcns. On Atom-surface Scattering Potentials) |
| EPROM | Erasable Programmable Read Only Memory |
| OTA | Office Of Technology Assessment |
| HPA | Hydroxypropyl Acrylate |
| WSSA | Weed Science Society Of America |
| ERACE | Electrical Remediation At Contaminated Environs |
| ACP | Amorphous Calcium Phosphate |
| NETI | National Enforcement Training Institute |
| TSH | Thyroid-stimulating Hormone |
| IAVCEI | International Association Of Volcanology And Chemistry Of The Earth's Interior |