| Acronym | Meaning |
| EC | Enzyme Commission |
| GISNET | Geographic Information Systems Bulletin Board |
| SNO | Spin Natural Orbital |
| CSE | Correction (with The) Statistical Exchange Potential |
| LIMS | Limb Infrared Monitor Of The Stratosphere |
| WHMIS | Workplace Hazardous Materials Information System (Canada) |
| PHEMT | Pseudomorphic High Electron Mobility Transistor |
| EDAX | Energy Dispersive Analysis Of X-rays |
| NCHGR | National Center For Human Genome Research |
| NSF | Near-surface Fractionated (mantle) |