| Acronym | Meaning |
| HARM | Hazardous Atmospheric Release Model |
| LDTOF | Laser-Desorption Time-Of-Flight Mass Spectrometry |
| ISS | Ion Scattering Spectroscopy |
| IRI | Immunoreactive Insulin |
| QGLE | Quantum Generalized Langevin Equation |
| MACSP | Marine Analytical Chemistry Standards Program |
| ICM | Intracluster Medium |
| SACF | Symmetry-adapted Configuration Function |
| TAC | Toxic Air Contaminant |
| SISF | Superlattice Intrinsic Stacking Fault |