QTI
| Acronym | Definition |
|---|---|
| QTI | Question and Test Interoperability |
| QTI | Question and Test Interchange |
| QTI | Quick Time File |
| QTI | Qualified Target Industry |
| QTI | Quality Technology International, Inc. (Elgin, IL) |
| QTI | QT Interval (represents the time for electrical activation and inactivation of the ventricles; letters designate different parts of the electrocardiogram waveform) |
| QTI | Quad/Tech International |
| QTI | True Track or Course (radiotelegraphy) |
| QTI | Quick Tributary Infill |