| Acronym | Meaning |
| GHF | Generalized Hellmann-Feynman (theorem) |
| VZV | Varicella-zoster Virus |
| CVAFS | Cold Vapor At. Fluorescence Spectrometry |
| NMN | Nicotinamide Mononucleotide |
| ILAP | Inter-Laboratory Analysis Program |
| PTA | Pulse Thermal Analysis |
| ERAD | Economic And Regulatory Analysis Division (OPPE) |
| MWFA | Metalworking Fluids Containing Amines |
| NSRDS | National Standard Reference Data System |
| MLE | Maximum Likelihood Estimate |