BDD

• Body dysmorphic disorder, a mental disorder involving a disturbed body image
• Brachydactyly type D, relative shortness and roundness of the thumb with an accompanying wide nail bed
• Boron-doped diamond, synthetic diamond containing some boron.

• Balancing domain decomposition, a parallel iterative method in numerical analysis
• Behavior-driven development, a software development technique
• Binary decision diagram, a data structure in computer science
• Business Desktop Deployment, project management tools published by Microsoft
• Business-driven development, a software development methodology focusing on business requirements

• Bantam Doubleday Dell, a book publisher that became part of Random House
• Bund der Deutschen, a German political party of the 1950s and 1960s

• Badu Island Airport, Queensland, Australia (by IATA code)
• Baoding East railway station, Hebei, China (by CR code)
• Beirut Digital District, Lebanon

• Bdd (video gamer) (born 1999), South Korean professional League of Legends player
• "B.D.D.", a 1969 single by The Groundhogs
• ISO 639:bdd, the Bunama language spoken in Papua New Guinea

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