TCID
| Acronym | Definition |
|---|---|
| TCID | Traffic Class Identifier |
| TCID | Threshold Collision-Induced Dissociation (chemistry) |
| TCID | Truckee–Carson Irrigation District |
| TCID | Town Center Improvement District (Woodlands, TX) |
| TCID | Texas Center for Infectious Disease |
| TCID | Tissue Culture Infections Dose |
| TCID | Tape Coordinator Identifier |
| TCID | Tum Ceviri Isletmeleri Dernegi (Turkish Association of Translation Companies) |