An alternate (scordatura) guitar tuning in which the lowest (sixth) string is tuned down ("dropped") from the usual E of standard tuning by one whole step, to D.

(biochemistry) dextrorotatory glucose

(biochemistry) Abbreviation of dextrorotatory fructose.

(aviation, abbreviation) origin and destination

plural of d-hole

(music) A sound hole, shaped like the letter D, through the top surface of a string instrument.

(India) Initialism of daughter of.

plural of D-post

plural of D valve

plural of d-word