| Acronym | Meaning |
| GLS | Generalized Least Squares |
| ICC | Intraatomic Correlation Correction |
| JICST | Japanese Information Center Of Science And Technology |
| CDA | Charge Density Analysis |
| SMBC | Soil Microbial Biomass Carbon |
| SAM1 | Semi-ab Initio Model1 |
| BAT | Biol. Tolerance Value (German Std.) |
| ISC | Short-circuit Current |
| EBMUD | East Bay Municipal Utility District (Oakland |
| CDOE | Charge-dependent Orbital Exponent Theory |