| Acronym | Meaning |
| TSI | Trophic State Index |
| LEAR | Low Energy Antiproton Ring |
| HSE | Heat-shock Element |
| ADEOS | Advanced Earth Observing Satellite |
| MDGI | Mammary Gland-derived Growth Inhibitor |
| DEXAFS | Dispersive Extended X-ray Absorption Fine Structure |
| LACO | Linearized Atomic Cell Orbital (in Energy-band Calcn.) |
| NRC | National Research Council |
| EFST | Electrodeposition Frequency Shift Titrimetry |
| HGSI | The Human Genome Sequencing Index |