| Acronym | Meaning |
| CEM | Continuous Emissions Monitoring |
| CMR-CI | Contracted Multireference Configuration Interaction |
| SIPP | Sodium Iron Pyrophosphatepar |
| PICP | Carboxyterminal Propeptide Of Type I Procollagen |
| NREL | National Renewable Energy Laboratory (formerly SERI) |
| GFDL | Geophysical Fluid Dynamics Laboratory |
| EFPVN | Eastern Fine Particle And Visibility Network |
| APCS | Argonne Premium Coal Sample |
| DEXAFS | Dispersive Extended X-ray Absorption Fine Structure |
| EST | Expressed Sequence Tag |