(biochemistry) Abbreviation of N-Methyl-D-aspartic acid, an amino acid derivative.

A group of people organized for a common purpose. / (military) Military unit composed of several regiments (or battalions) and including soldiers from different arms of service.

(zoology) Any extinct nautiloid cephalopod in the family Grypoceratidae.

(computing) Initialism of domain-specific language. / (electronics) Initialism of digital subscriber line. / (vulgar, slang, humorous) Initialism of dicksucking lips.