| Acronym | Meaning |
| ASX | Advanced Stream Redirector - Australian Stock Exchange |
| KSC | Kennedy Space Center |
| ZK | Zettakelvin |
| F | Femto |
| GDW | Game Designers Workshop |
| MTL | Maltese Lira (ISO 4217 Currency Code) -Mean Tide Level (nautical Charts) |
| HRD | Human Resource Development |
| OB | Obedience - Obligation - Obligatory - Obsolete - Obstetrics -Ocean Beach (California) - Off Break (cricket) - Old Bryanstonian - Order Of Battle - Outlet Box (electrical) -Overbought (stock Market) -Oversight Board |
| MICLIC | Mine Clearing Line Charge |
| N | Newton - Nitrogen - North |