| Acronym | Meaning |
| JSGA | Japanese Spaceguard Association |
| BHMA | British Hard Metal Association |
| TIP | Temperature-independent Paramagnetism |
| BAL | Broad Absorption Line |
| ABC | Absorbing Boundary Condition (green Function) |
| APEG | Alkaline Polyethylene Glycolate |
| ACC | 1-aminocyclopropane-1-carboxylic Acid |
| DIANA | Detection Of Immobilized Amplified Nucleic Acids |
| HETA | Hazard Evaluation Technical Assistance Branch (NIOSH) |
| TCL-GME | Time-convolutionless Generalized Master Equation (in Quantum Tunneling Calcns.) |