| Acronym | Meaning |
| LCCA | Linearized Coupled-cluster Approach |
| CTMP | Chemico-thermomechanical Pulping |
| SPPD | Spin Polarized Photoelectron Diffraction |
| APEX | Active Plasma Experiment Satellite |
| WSIA | Water Supply Improvement Association |
| APACHE | Accelerator For Physics And Chemistry Of Heavy Elements |
| MVC | Mechanical Vapor Compression |
| CEPS | Chemically Enhanced Primary Sedimentation |
| EQPAC | Equatorial Pacific Study |
| ARA | Aggregate Risk Analysis |