| Acronym | Meaning |
| FLIR | Forward-looking Infrared |
| TEEL | Temporary Emergency Exposure Limit |
| NSSN | National Standards Systems Network |
| SIMPLISMA | Simple-to-use Interactive Self-modeling Mixture Analysis |
| IAVI | International AIDS Vaccine Initiative |
| NEMI | National Environmental Methods Index |
| METC | Morgantown Energy Technology Center |
| BET | Bond Equilibrium Theory |
| IUVSTA | International Union Of Vacuum Science |
| STO NG | (n = A Number) Slater Type Orbitals Obtained By Using N Gaussian Functions |