| Acronym | Meaning |
| RX | Medical Prescription (possibly From Latin Recipere |
| ICS | In-Country Support - Intelligence And Communications Systems - Interim Contractor Support |
| T/O | Theatre Of Operations |
| LW | Lawrencium (obsolete 1963) |
| POG | Passionfruit |
| WSM | Samoa (ISO 3166 Trigram; From West Samoa) |
| RMP | Recognised [Operating/Operational] Maritime Picture |
| HZ | Haze (METAR Code) |
| ASSC | Association For The Scientific Study Of Consciousness |
| SIG | .signature (UNIX Shell/Internet Standard File Name) -Special Interest Group |