The meaning of the Acronym DD is...

DD is

• Dialing for Dollars
• Dolby Digital
• Delilah's Den
• Denton Daily
• Dumb and Dumber
• Daily Digest
• Double Density

More Meanings For DD:

• Duplicate Disk
• Definition Description
• Defined Definition
• Definition Data
• Compressed Macintosh file archive (DiskDoubler)
• Data Definition
• Data Dump
• Disk Dump
• Deterministic Data
• Disk Data
• Double Density (floppy disk)
• Disk Duplicator
• Disc Drive
• Data Duplicator
• Discharged Dead

DD is also in:

• Assembly
• Databases
• File Extensions
• General
• Hardware