- contraction of had:I was glad they'd gone.
- contraction of did:Where'd they go?
- contraction of should or would:He'd like to go. I'd like to remind you of your promise.
- contraction of -ed:She OK'd the plan.
- de (used in French names as an elided form of de): Charles Louis d'Albert.
- di (used in Italian names as an elided form of di): Gabriele d'Annunzio.
- contraction of do or did before you:How d'you like your eggs cooked? D'you go to the movies last night?
- the fourth letter of the English alphabet, a consonant.
- any spoken sound represented by the letter D or d, as in dog, ladder, ladle, or pulled.
- something having the shape of a D.
- a written or printed representation of the letter D or d.
- a device, as a printer's type, for reproducing the letter D or d.
- debye; debyes.
- deep.
- depth.
- diopter (def. 1).
- divorced.
- Dutch (def. 7).
- the fourth in order or in a series.
- (in some grading systems) a grade or mark, as in school or college, indicating the quality of a student's work as poor or barely passing.
- a classification, rating, or the like, indicating poor quality.
- Music.
- the second tone in the scale of C major, or the fourth tone in the relative minor scale, A minor.
- a string, key, or pipe tuned to this tone.
- a written or printed note representing this tone.
- (in the fixed system of solmization) the second tone of the scale of C major, called re.
- the tonality having D as the tonic note.
- the Roman numeral for 500.
- deuterium.
- Electricity.
- electric displacement.
- a battery size for 1.5 volt dry cells: diameter, 1.3 inches (3.3 centimeters); length, 2.4 inches (6 centimeters).
- aspartic acid.
- a symbol for a shoe width size narrower than E and wider than C.
- a proportional brassiere cup size larger than C.
- dextrorotatory; dextro- (distinguished from l-).
- (of a molecule) having a configuration resembling the dextrorotatory isomer of glyceraldehyde: always printed as a small capital, roman character.
- (in prescriptions) give.
- pence.
- date.
- daughter.
- day.
- deceased.
- deep.
- degree.
- delete.
- density.
- depth.
- deputy.
- dialect.
- dialectal.
- diameter.
- died.
- dime.
- dividend.
- dollar; dollars.
- dose.
- drachma.
- day.
- December.
- Democrat.
- Democratic.
- density.
- Deus.
- Deuteronomy.
- Doctor.
- dose.
- Dutch.
- the fourth letter and third consonant of the modern English alphabet
- a speech sound represented by this letter, usually a voiced alveolar stop, as in dagger
- the semicircle on a billiards table having a radius of 11 1/2 inches and its straight edge in the middle of the baulk line
- density or relative density
- a small increment in a given variable or function: used to indicate a derivative of one variable with respect to another, as in d y /d x
- chess See algebraic notation
- would or had
- Deutsch: indicating the serial number in the catalogue (1951) of the musical compositions of Schubert made by Otto Deutsch (1883–1967)
- music
- a note having a frequency of 293.66 hertz (D above middle C) or this value multiplied or divided by any power of 2; the second note of the scale of C major
- a key, string, or pipe producing this note
- the major or minor key having this note as its tonic
- deuterium
- the first derivative of a function, as in D(x ³ + x ²) = 3 x ² + 2 x
- physics
- dispersion
- electric displacement
- drag
- a semiskilled or unskilled manual worker, or a trainee or apprentice to a skilled worker
- (as modifier)
- 500
- Germany (international car registration)
- defence
- defensive play
- (in animal pedigrees) dam
- daughter
- penny or pennies
- diameter
- died
- dinar(s)
- dollar(s)
- drachma(s)
- Democrat(ic)
- Department
- dinar(s)
- Don (a Spanish title)
- Duchess
- Duke
- (in the US and Canada) Doctor
