52 TDT definitions

Terrestrial Dynamical Time 
Time and Date Table 
Theater Display Terminal 
Terrestrial Dynamic Time 
tone decay test 
Total Dive Time 
Target Designation Transmitter 
Terminal Deoxynucleotidyl Transferase 
Test Data Team 
thermal death time 
Time and Data Table 
Total Delay Time 
Transfer Data Test 
Transonic Dynamics Tunnel 
Transponder Data Table 
Tumor doubling time 
Atlas Helicopters 
Tactical Data 
Tactical Data Terminal 
tardive dystonia 
Task Dispatch Table 
TCW/DW TERM TRUST 2000, INC. 
TDT Log 
Technical Discipline Team 
Technical Drafting Team 
Telemetry Data Tape 
terminal deoxynucleodidyl transferase 
terminal deoxynucleotidal transferase 
terminal deoxynucleotide transferase 
terminal deoxynucleotide transferease