| Acronym | Definition |
|---|
| IDFS➣Invasive Disease-Free Survival |
| IDFS➣Integrated Definitive Feasibility Study (Gladstone Pacific Nickel, Ltd.; Australia) |
| IDFS➣Instrument Data File Set |
| IDFS➣Industry Distribution and Financial Services (International Air Transport Association) |
| IDFS➣Instrument Description File System |