| Acronym | Meaning |
| TDCC | Time-dependent Coupled-cluster |
| OWG | Optical Waveguide |
| NCSCI | National Center For Standards And Certification Information |
| AIPM | Analytic Independent-particle Model (in Electron-scattering) |
| RSPE | Rayleigh Schroedinger Perturbation Expansion |
| LDPEX | Cross-linked |
| LAST | Lowest Anticipated Service Temperature |
| CFHH | Correlation-function Hyperspherical Harmonic (method For Calcn. Of Wave Functions) |
| NAIP | Neuronal Apoptosis Inhibitory Protein |
| INCI | International Nomenclature Cosmetic Ingredient |