| trans | D transverse diameter |
|---|---|
| TTD | temporary total disability; tissue tolerance dose; transient tic disorder; transverse thoracic diame... |
| MCD | magnetic circular dichroism; mast-cell degranulation; mean cell diameter; mean of consecutive differ... |
| ECG | Electro-Cardio-Graphy(-Gram); ½ÉÀüµµ = EKG 1. Conducting System Structu... |
| ROT | Right Occipito-Transverse |