| Acronym | Meaning |
| IAP | Imaging Atom Probe |
| PEG | Polyethylene Glycol |
| PMP4 | (spin) Projected Moeller-Plesset Fourth-order (perturbation Theory) |
| AVO | Average Virtual Orbital |
| AFA | Average Fock Approxn. |
| FDR | Frequency Domain Reflectometry |
| FNOC | Fleet Numerical Oceanography Center (USA Navy) |
| DT | Dynamic Tear |
| MALT | Mucosa-associated Lymphoid Tissue |
| RACE | Rapid Amplification Of CDNA Ends |