| Acronym | Meaning |
| TRD | Transition Radiation Detector |
| CCPA | Canadian Chemical Producers Association |
| EPQU | IFCC Expert Panel On Quantities And Units |
| GO | Generalized Overlap |
| BTX | Benzene, Toluene, And Xylene |
| TRFQ | Time-resolved Fluorescence Quenching |
| SUP-CI | Superdirect CI |
| VRIOSA | Vibrational/rotational Infinite-order Sudden Approximation |
| SINK | Saturation Internuclear Kinetics |
| PCA | Preliminary Consequence Analysis |