D, d: Meaning and Definition of

D

Pronunciation: (dē), [key]
— pl. D's Ds, d's ds.
  1. the fourth letter of the English alphabet, a consonant.
  2. any spoken sound represented by the letter D or d, as in dog, ladder, ladle, or pulled.
  3. something having the shape of a
  4. a written or printed representation of the letter D or d.
  5. a device, as a printer's type, for reproducing the letter D or d.

d-

Pronunciation: [key]
  1. (of a molecule) having a configuration resembling the dextrorotatory isomer of glyceraldehyde: always printed as a small capital, roman character (distinguished from l-). Cf. d-.

d-

Pronunciation: [key]
— Symbol, Chem., Biochem.
  1. dextrorotatory; dextro- (distinguished from l-). Cf. D-.

d'

Pronunciation: [key]
  1. de (used in French names as an elided form of de): Charles Louis d'Albert.
  2. di (used in Italian names as an elided form of di): Gabriele d'Annunzio.

d'

Pronunciation: [key]
  1. contraction of do or did before you: How d'you like your eggs cooked? D'you go to the movies last night?

'd

Pronunciation: [key]
  1. contraction of had: I was glad they'd gone.
  2. contraction of did: Where'd they go?
  3. contraction of should or would: He'd like to go. I'd like to remind you of your promise.
  4. contraction of -ed: She OK'd the plan.

D

Pronunciation: [key]
  1. debye.
  2. deep.
  3. depth.
  4. diopter.
  5. divorced.
  6. Dutch.

D

Pronunciation: [key]
— Symbol.
  1. the fourth in order or in a series.
  2. (sometimes l.c.) (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.
  3. (sometimes l.c.) a classification, rating, or the like, indicating poor quality.
    1. the second tone in the scale of C major, or the fourth tone in the relative minor scale, A minor.
    2. a string, key, or pipe tuned to this tone.
    3. a written or printed note representing this tone.
    4. (in the fixed system of solmization) the second tone of the scale of C major, called re.
    5. the tonality having D as the tonic note.
  4. (sometimes l.c.) the Roman numeral for 500. Cf. Roman numerals.
  5. deuterium.
    1. electric displacement.
    2. a battery size for 1.5 volt dry cells: diameter, 1.3 in. (3.3 cm); length, 2.4 in. (6 cm).
  6. aspartic acid.
  7. a symbol for a shoe width size narrower than E and wider than C.
  8. a proportional brassiere cup size larger than C.

D.

Pronunciation: [key]
  1. day.
  2. December.
  3. Democrat.
  4. Democratic.
  5. density.
  6. Deus.
  7. Deuteronomy.
  8. Doctor.
  9. dose.
  10. Dutch.

d.

Pronunciation: [key]
  1. (in prescriptions) give.
  2. date.
  3. daughter.
  4. day.
  5. deceased.
  6. deep.
  7. degree.
  8. delete.
  9. pence.
  10. penny.
  11. density.
  12. depth.
  13. deputy.
  14. dialect.
  15. dialectal.
  16. diameter.
  17. died.
  18. dime.
  19. dividend.
  20. dollar; dollars.
  21. dose.
  22. drachma.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.