| DK | dark; decay; diabetic ketoacidosis; diet kitchen; diseased kidney; dog kidney [cells] |
|---|---|
| FID | flame ionization detector; free induction decay; fungal immunodiffusion |
| FHD | Fetal Heart Tone |
| FHT | Fetal Heart Tone(s) |
| FHT | fast Hartley transform; fetal heart; fetal heart tone |