sort by Rank | Alpha
| Possible Meanings | Rank |
|---|
| Feeding Difficulty Symptom Score | ** |
| Formulary Decision Support System | ** |
| fresh diluted sidestream smoke | ** |
| locations--frequent discharge sites | ** |
| Founders Distinguished Senior Scholar | ** |
| Finite Difference Step Size | ** |
| Family Driven Support Services | ** |
| Fixed Delivery and Settlement System | * |
| Food Defense System Survey | * |
| Functional Drug Screening System | * |
| Federal Drug Seizure System | * |
| Faculty Development and Support Services | * |
| Flight Dynamics Support Systems | * |
| Frank Dwyer Security Sources | * |