| Acronym | Meaning |
| TDCR | Triple To Double Coincidence Ratio |
| CUP | Conditional Use Permit |
| HPTTD | High-performance Thermophilic Two-phase Digestion |
| FNOC | Fleet Numerical Oceanography Center (USA Navy) |
| IRI | Immunoreactive Insulin |
| ILIDS | Interferometric Laser Imaging For Droplet Sizing |
| INFERNO | Irradiation Of Narrow Frequency Envelopes By Repeated Nutation And Orbiting |
| FCD | Fault Consequence Digraph |
| CAD | Collisionally Activated Dissociation |
| GWDR | Ground Water Disinfection Rule |