| Acronym | Definition |
|---|
| TER | The Erotic Review (adult-oriented website) |
| TER | Terrace |
| TER | Terrain |
| TER | Termination |
| TER | Tertiary |
| TER | Teradyne Inc (stock symbol) |
| TER | Total Expense Ratio (portfolio management) |
| TER | Transitional Endoplasmic Reticulum |
| TER | Trans-European Railway (UN) |
| TER | Tertiary Entrance Rank |
| TER | Tag Edge Router |
| TER | Tagging Error Rate |
| TER | Trade and Environment Review (UN Conference on Trade and Development) |
| TER | Train Express Regional |
| TER | Time Extension Request (various locations) |
| TER | Target Emission Rate (UK) |
| TER | Travel Expense Report |
| TER | Triple Ejector Rack |
| TER | Transcutaneous Electrical Resistance |
| TER | Technical Evaluation Report |
| TER | Total Energy Requirement |
| TER | Tokyo Extreme Racer (video game) |
| TER | Transphase Eradication Rod (Stargate) |
| TER | Test of Everyday Reasoning |
| TER | Tortugas Ecological Reserve |
| TER | Terceira Island, Azores Islands, Portugal - Lajes (Airport Code) |
| TER | Target Engagement Radar (US DoD) |
| TER | Total External Reflection |
| TER | Tablet Extended Release (pharmaceutical) |
| TER | Thousand Eyes Restrict (Yu-Gi-Oh card) |
| TER | Test Effectiveness Ratio |
| TER | Tag Edge Router (Cisco) |
| TER | Transfer Effectiveness Ratio |
| TER | Training Evaluation Report |
| TER | Test and Evaluation Report |
| TER | Telecommunications Equipment Room |
| TER | Trailing Edge Right |
| TER | Toxicology/Exposure Ratio |
| TER | Total Engine Revolutions |
| TER | Time Estimating Relationship |
| TER | Transmission Equivalent Resistance |
| TER | Training Equipment & Requirement |
| TER | Technical Expert Representative |
| TER | Tomahawk Equipment Room |