| MTDT | modified tone decay test |
|---|---|
| TD | tabes dorsalis; tardive dyskinesia; T-cell dependent; temporary disability; terminal device; tetanus... |
| TDT | terminal deoxynucleotidyltransferase; thermal death time; tone decay test; tumor doubling time |
| DAF | Decay Accelerating Factor |
| DAF | decay-accelerating factor; delayed auditory feedback; drug-adulterated food |