| Acronym | Meaning |
| ERCIM | European Research Consortium For Informatics And Mathematics |
| ADIS | Advanced Drilling Information System [petroleum] |
| PERTCI | Perturbational Configuration Interaction |
| GSNO | Ground-state Natural Orbital |
| CSI | Chemical Shift Imaging (NMR) |
| GIS | Gas Insulated Switchgear |
| CWM | Center For Waste Management |
| LAL | Limulus Amebocyte Lysate (endotoxin Test) |
| NCTR | National Center For Toxicological Research |
| IFM | Immunofluorescence Microscopy |