(clinical psychology) Initialism of dysphoric milk ejection reflex.

(automotive) A D-pillar.

(automotive) The vertical support dividing a car's rear windscreen from its rear window (where the car has a central side window between the front and rear side windows; see C-pillar).

(medicine, pathology) An acute form of hepatitis, transmitted by blood, sexual contact, and body fluids, and caused by the hepatitis delta virus.

Abbreviation of hepatitis D.

A slide valve with a cup-like cavity in its face, through which exhaust steam passes.

(music) A minor key with the notes D, E, F, G, A, B♭, C. / (music) The minor chord with a root of D.

plural of D-pillar

(US, law) Initialism of doing business as.

plural of D-notice