| Acronym | Meaning |
| IRTF | NASA Infrared Telescope Facility |
| CANDA | Computer Aided New Drug Application |
| FLISA | Fluorescence-linked Immunosorbent Assay |
| CRQL | Contract Required Quantitation Limit |
| FGR | Flue Gas Recirculation |
| UCCD | (spin) Unrestricted Coupled Cluster (with) Double (excitations) |
| BATNEEC | Best Available Technology Not Entailing Excessive Cost |
| VCSEL | Vertical Cavity Surface Emitting Laser |
| MAC | Maximum Admissible Concentration |
| GASPE | Gated Spin-echo |