| 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 |