| Acronym | Meaning |
| BHET | Bis(2-hydroxyethyl) Terephthalate |
| STJ | Superconducting Tunnel Junction |
| MP2(FC) | MP2(frozen Core) Only (outer) Valence Electrons Included In The Approximation |
| ZLC | Zero Length Column |
| OPIA | Optical Precision Instrument Associates |
| IRI | Immunoreactive Insulin |
| CCN | Cloud Condensation Nucleus |
| ADES | Angle-dispersed Electron Spectroscopy |
| BSHC | Break Specific Unburned Hydrocarbons |
| EI | Electron Impact |