| Acronym | Meaning |
| ONC | Orthopaedic Nurse Certified |
| ASCII | American Standard Code For Information Interchange |
| BDNF | Brain-Derived Neurotrophic Factor |
| MLLW | Mean Lower Low Water (nautical Charts) |
| AAT | Australian Antarctic Territory |
| AT | Astatine |
| WRAIR | Walter Reed Army Institute Of Research |
| TACP | Tactical Air Control Party - Technology Applications Certification Program |
| LE | Lebanon (FIPS 10-4 Country Code) |
| ABN | Australian Business Number (a Number Issued By The Australian Government As Registration Of A Business And Used For Taxation Purposes) |