| Acronym | Definition |
|---|
| GRAIL | GALEN (Generalised Architecture for Languages, Encyclopaedias, and Nomenclatures in Medicine) Representation and Integration Language |
| GRAIL | Gravity Recovery and Interior Laboratory (US NASA) |
| GRAIL | Graphics and Imaging Laboratory (University of Washington) |
| GRAIL | Gene Recognition and Assembly Internet Link |
| GRAIL | Grid Research and Innovation Laboratory |
| GRAIL | Geospatial Research and Information Laboratory (Northern Arizona University, Flagstaff, AZ) |
| GRAIL | Gene Related to Anergy in Lymphocyte (immunology) |