| Acronym | Meaning |
| ADD | Analog Digital Digital (CD Quality) - Attention-Deficit Disorder - Administration On Developmental Disabilities |
| OPSEC | Operations Security - Open Platform For Security |
| NUL | Null Character (ASCII Code Of Control Character) - National Urban League |
| ONI | (U.S.) Office Of Naval Intelligence |
| AG | Attogram |
| KWD | Kuwaiti Dinar (ISO 4217 Currency Code) |
| CE | Many |
| ASD(HA) | (U.S.) Assistant Secretary Of Defense (Health Affairs) |
| YG | Yottagram |
| MHWN | Mean High Water Neaps (nautical Charts) |