the fourth letter of the alphabet

a shape like that of a capital D

the D-shaped handle

the second note of the diatonic scale of C major

the Roman numeral for 500

(in the US) Democrat or Democratic

Delaware: breakdown of outgoing Senate: 13 D, 8 R

depth (in the sense of the dimension of an object from front to back)

H 35 cm × W 50 cm × D 20 cm

dextrorotatory

D-glucose

(with a numeral) dimension(s) or dimensional

a 3-D model

(in tables of sports results) drawn

(on an automatic gear shift) drive

Germany (international vehicle registration)

electric flux density

the hydrogen isotope deuterium

(in genealogies) daughter

Henry m. Georgina 1957, 1s 2d

day(s)

orbital period (Mars): 687.0 d

(in units of measurement) deci-

(in travel timetables) departs

Plymouth d 0721

died (used to indicate a date of death)

Barents, Willem (d.1597)

penny or pence (of pre-decimal currency)

£20 10s 6d

denoting electrons and orbitals possessing two units of angular momentum

d-electrons

diameter

the circumference of a circle is expressed by the formula πd

denoting a small increment in a given variable

dy/dx

a stable isotope of hydrogen with a mass approximately twice that of the usual isotope

(of plastic) breaking down in the presence of oxygen into tiny pieces that may then slowly biodegrade. Oxo-biodegradable plastics generally degrade more slowly than compostable materials, but disintegrate too fast to be recyclable

a proposed ban on oxo-biodegradable plastic bags