D-TO NI stands for Derated Takeoff Engine Fan Speed
D-TGA stands for Dextrotransposition of the Great Arteries (cardiac disorder)
D-TEST stands for Destructive Test D-test stands for Double disk diffusion test (clindamycin resistance)
D-TEC stands for Dynamic and Durable Technic Engine (Daewoo)
D-TDD stands for Dynamic Time Division Duplex
D-TAR stands for Duncan Turner Acoustic Research (Santa Barbara, CA)
D-T stands for Deuterium-Tritium (reaction)
D-STTD stands for Double Space-Time Transmit Diversity
D-STAR stands for Digital Smart Technologies for Amateur Radio
D-SPEC stands for Process Specification