| Acronym | Meaning |
| OLED | Organic Light-Emitting Diode |
| CSL | U.K. Central Science Laboratory |
| CNI | Communications |
| STAG | (U.S.) Strategy And Tactics Group |
| COMSEC | Communications Security (military) |
| HT | Haiti (ISO 3166 Digram) -High Temperature - Hoc Tempore (Latin |
| LORTID | LOng Range Target IDentification |
| SQUID | Superconducting QUantum Interference Device |
| CME | Coronal Mass Ejection (usually Sun) |
| SJA | Staff Judge Advocate (military Law) |