| Abbreviation | Definition |
|---|---|
| TCM | The Complete Machine |
| TCMP | Tangosol Cluster Management Protocol |
| TCN | Transparent Content Negotiation |
| TCNS | Total Computer & Network Support |
| TCNS | Transactions on Control of Network Systems |
| TCP | Tranmission Control Protocol |
| TCP | Transmission Control Protocol |
| TCP/IP | Transmission Control Protocol / Internet Protocol |
| TCPAM | Trellis Coded Pulse Amplitude Modulation |
| TD | Traffic Director |
| TDA | Temporal Data Authority |
| TDB | Tunnel Descriptor Block |
| TDC | Technical Domain Controller |
| TDD | Time Division Duplexing |
| TDI | Transport Driver Interface |
| TDM | Time Division Multiplexing |
| TDN | Terrestrial Digital Network |
| TDO | Total Digital Office |
| TDS | Team Data Server |
| TD-SCDMA | Time-Division Synchronous Code-Division Multiple-Access |