| Acronym | Meaning |
| NEC | National Electrical Code |
| CCD | Chemical Composition Distribution [of Polymers] |
| CID | Configuration Interaction With Double Substitution |
| NPRA | National Petroleum Refiners Association |
| NSCF | Non-self-consistent Field |
| FTICRMS | Fourier Transform Ion Cyclotron Resonance Mass Spectrometry |
| ARAS | Atomic Resonance Absorption Spectroscopy |
| PRV | Pseudorabies Virus |
| RBP | Retinol Binding Protein |
| SF-PNM | Step Function Perturbative Numerical Method |