D, ddi(n.)(pl.)Ds; D's, ds; d's.

1. the fourth letter of the English alphabet, a consonant.

   Category: Language/Linguistics

2. any spoken sound represented by this letter.

   Category: Language/Linguistics

3. something shaped like aD.

4. a written or printed representation of the letter D or

   d.

D-^*

1. (of a molecule) having a configuration resembling the dextrorotatory isomer of glyceraldehyde: printed as a small capital, roman character

   Category: Biochemistry

   Ref: (disting. from l - 8 ).

^* Biochem. Symbol..

d-^*

1. dextrorotatory; dextro-

   Category: Chemistry, Biochemistry

   Ref: (disting. from l- 7 ).

^* Symbol..

d'^*

1. do (esp. before you):

   How d'you like them?

^* Pron. Spelling..

'd

1. contraction of

   had: They'd already left.

2. contraction of

   would: I'd like to see it.

3. contraction of

   did: Where'd you go?

4. contraction of -

   ed: She OK'd the plan.

D

1. deep.

2. depth.

3. diopter.

   Category: Optics

4. divorced.

5. Dutch.

D^*

1. the fourth in order or in a series.

2. (sometimes l.c.) (in some grading systems) a grade or mark indicating poor or barely acceptable quality.

   Category: Education

3. the second note of the ascending C major scale. a tonality having D as the tonic.

   Category: Music and Dance

4. (sometimes l.c.) the Roman numeral for 500.

   Ref: Compare Roman numerals.

5. deuterium.

   Category: Chemistry

6. Category: Biochemistry

   Ref: aspartic acid.

^* Symbol..

D.

1. day.

2. December.

3. Democrat.

4. Democratic.

5. Physics. density.

   Category: Physics

6. Deus.

   Category: Religion

7. Deuteronomy.

   Category: Bible

8. Doctor.

9. dose.

10. Dutch.

d.

1. date.

2. daughter.

3. day.

4. deceased.

5. deep.

6. degree.

7. delete.

8. Brit. pence.

   Category: British, Numismatics

9. Chiefly Brit. penny.

   Category: British, Numismatics

10. Physics. density.

    Category: Physics

11. depth.

12. deputy.

13. dialect.

14. diameter.

15. died.

16. dime.

17. dividend.

18. dollar.

    Category: Numismatics

19. dose.

20. drachma.

Origin of d.:

< L denāriī]; [< L denārius