| Acronym | Meaning |
 | CIR | Corotating Interaction Region |
| SSCCATAGAPP | Singles |
| CNO | Computer Network Operations |
| G15 | Group Of 15 (subset Of G77 |
| RSR | Required Supply Rate |
| CQD | Close Quarters Drill (Morse Distress Code Preceding SOS: CQ Calling All Stations |
| LISA | Laser Interferometer Space Antenna |
| LDL | Low-Density Lipoprotein |
| NFPA | National Fluid Power Association (USA) |
| SWAPO | South-West Africa People's Organisation |
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