| Acronym | Meaning |
| IECA | International Erosion Control Association |
| IEH | Intermediate Effective Hamiltonian |
| HWIF | Hazardous Waste Incineration Facility Design And Modeling Computer Program |
| LSTH | Liu-Siegbahn-Truhlar-Horowitz (potential-energy Surface) |
| ISTEA | Intermodal Surface Transportation Efficiency Act |
| DENT | Double-edge Notched Tension |
| RBOT | Rotary Bomb Oxidn. Test |
| STOVL | Short Take-Off And Vertical Landing |
| CIM | Ceramic Injection Molding |
| CFMM | Continuous Fast Multipole Method (algorithm For Coulomb Interactions Among Charge Distributions) |