| Acronym | Meaning |
| MPRI | Multiphoton Resonance Ionization |
| WRIB | Waste Reduction Information Bibliography (component Of WRAS) |
| MSV | Morse-Spline-van Der Waals (interatomic Potential) |
| RMSEP | Root-mean-square Error Of Prediction |
| CIAC | Centro De Informacion Ambiental Del Caribe |
| SOLED | Stacked Organic Light Emitting Device |
| PIRANHA | Pesticide And Industrial Chemical Risk Analysis And Hazard Assessment |
| CSAMT | Controlled-source Audio-magnetotelluric Technique |
| EDPCR | Extended Disjoint Principal Components Regression |
| LSDC | Local Spin Density Correlation (functional) |