| Acronym | Meaning |
| YL | Yoctolitre |
| HRED | (U.S. Army Research Laboratory's) Human Research And Engineering Directorate (Aberdeen Proving Ground |
| SART | Situational Awareness Rating Technique |
| CSK | Czechoslovakia (ISO 3166 Trigram; Obsolete Since 1993) |
| HLS | Hoc Loco Situs (Latin |
| NBA | National Basketball Association |
| SQUID | Superconducting QUantum Interference Device |
| HPT | High[er] Payoff Target |
| AMSO | U.S. Army Model And Simulation Office |
| ANC | African National Congress |