The ISO currency code for the Gambian Dalasi.

In currencies, this is the abbreviation for the Gambian Dalasi.

grease, molybdenum disulfide

General Musik Director, Chief conductor in a German opera house.

Ground Mobile Defense

Ground-based Midcourse Defense

General Material Designation. Term given in the bibliographic record to indicate the type of material, for example, the GMD in the 245$h for a video is [videorecording

It is included to alert the user that the item is not a book. It is appended in square brackets after the title and shows the precise format of the item.

A method of dropping a marker by free-fall, relying solely on gravity. The decision on whether or not to enforce GMD is decided upon the commencement of each task.

Geometric mean diameter

Global Medical Direct

GMD can stand for