MD

metal. abbr.

Manual Damper

abbr.

Make Directory (DOS, OS/2)

abbr.

Management DOMAIN

abbr.

Mini Disk (Sony)

comp. abbr.

Make Directory

comp. abbr.

Mini Disk (Sony)

comp. abbr.

Monochrome Display

acronym

Doctor of Medicine

acronym

Maryland

acronym

Maryland (US state postal designation)

acronym

Medical Doctor

acronym

Months after Date