| Subject | English | Japanese |
| telecom. | open systems interconnection reference model | 開放形システム間相互接続 |
| comp. | n Open Systems Interconnection | 開放型システム間相互接続 |
| comp. | n open systems interconnection environment | 開放型システム間相互接続環境 |
| comp., MS | Open Systems Interconnection model | 開放型システム間相互接続 (A networking model introduced by the International Organization for Standardization (ISO) to promote multi-vendor interoperability. OSI is a seven-layered conceptual model consisting of the application, presentation, session, transport, network, data-link, and physical layers) |