| Acronym | Meaning |
| NPG | Needline/Network Participation Group |
| ISTS | Intel Science Talent Search |
| FSH | Follicle Stimulating Hormone |
| ISO | In Search Of -International Organization For Standardization (from The Greek ?†?? |
| GR | Greece (FIPS 10-4 Country Code; ISO 3166 Digram) - Hail (METAR Code) |
| LOD | Lines Of Development (UK) |
| GULCR | Grupo De Usuarios De Linux De Costa Rica |
| OODA | Observation |
| MADD | Mothers Against Drunk Driving - MyoAdenylate Deaminase Deficiency -Multiply-Add |
| MTU | Tankovei Mostoukladchik (Russian ???????? ????????????? |