| Acronym | Meaning |
| NOS | Network Operating System - New Old Stock (Internet Auction/trading Listings) - Nitric Oxide Synthase (enzyme) |
| OSDL | Open Source Development Labs |
| HSPH | Harvard School Of Public Health |
| STAGE | Scenario Toolkit And Generation Environment |
| QUANGO | (British Commonwealth) QUasi Autonomous Non-Governmental Organisation |
| DWG | Divisional Wargame (military Simulation) |
| KARNAC | Knowledge Aided Retrieval In Activity Context |
| SE | Selenium |
| ISBN | International Standard Book Number (ISO 2108) |
| GOSP | Gas/Oil Separation Plant |