D24 stands for Day 24 of Incubation (research embryos)
D228 stands for Fairchild Dornier Do 228 (airliner)
D21C stands for The Doors of the 21st Century (band)
d20 stands for 20-Sided Die (gaming)
D2 stands for Duran Duran (band) D2 stands for Diesel Fuel D2 stands for Diablo 2 (game)
D1V stands for Dengue Type 1 Virus
D1R stands for Dopamine Receptor D1R stands for D1-Like Receptor (kidney research)
D19E stands for D19N or E121Q and 20%
D19 stands for Day 19 of Pregnancy (research test group)
D17 stands for Seventeenth Coast Guard District (Juneau, AK)