| Acronym | Meaning |
| ZW | Zeptowatt |
| WWIII | World War III |
| RWR | Radar Warning Receiver |
| DH | Dear Husband (increasingly Prevalent On Social Mailing Lists |
| SOW | Statement Of Work |
| FM | Femtometre |
| MX | Mail Exchange -Mexico (FIPS 10-4 Country Code; ISO 3166 Digram) -Missile EXperimental |
| CSAR | Combat Search And Rescue (seessar) |
| ICW | In Co-ordination With - Indonesia Corruption Watch - Infectious And Chemotherapeutic Waste - Insulating Concrete Wall - Integral Crystalline Waterproofing -Interactive Courseware |
| RCT | Randomized Controlled Trial - Robotically Controlled Telescope |