| Acronym | Meaning |
| CCS | Cold Cranking Simulator |
| EPCE | Effective Pair Correlation Energy Method |
| SPHINCS | Sequential PHoton Interrogation And Neutron Counting Signatures |
| CRIS | Cosmic-Ray Isotope Spectrometer |
| SULEV | Super Ultra-low Emission Vehicle |
| MLS | Microwave Limb Sounder |
| EPEN | Empirical Potential (based On Interaction Of) Electrons (and) Nuclei |
| IACS | International Annealed Copper Standard |
| NPL | Nonparametric Linkage |
| NIPALS | Nonlinear Iterative Partial Least Squares |