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1

d

play
noun \ˈdē\

Simple Definition of d

  • : the fourth letter of the English alphabet

  • : a musical note or key referred to by the letter D : the second tone of a C-major scale

  • : a grade that is given to a student for doing poor work

Full Definition of d

plural d's or ds play \ˈdēz\

  1. 1 a :  the 4th letter of the English alphabet b :  a graphic representation of this letter c :  a speech counterpart of orthographic d

  2. 2 :  five hundred — see number table

  3. 3 :  the second tone of a C-major scale

  4. 4 :  a graphic device for reproducing the letter d

  5. 5 :  one designated d especially as the fourth in order or class

  6. 6 a :  a grade rating a student's work as poor in quality b :  one graded or rated with a D

  7. 7 :  something shaped like the letter D; specifically :  a semicircle on a pool table about 23 inches in diameter for use especially in snooker

  8. 8 capitalized a :  defense 2b <play tough D> b :  defense 4b

Examples of d

  1. Many people who are learning to read confuse b's and d's.

  2. names that start with d

  3. The song is in the key of D.

  4. She got a D on her chemistry test.



Before 12th Century

First Known Use of d

before 12th century

Other Alphabet Terms

Rhymes with d

b, be, bee, c, cay, cee, Cree, dee, Dee, dree, e, fee, flea, flee, free, g, gee, ghee, glee, gree, he, key, Key, knee, lea, lee, me, mi, p, pea, pee, plea, pree, quay, re, Rhee, scree, sea, see, she, si, ski, spree, sri, t, tea, tee, the, thee, three, ti, tree, twee, Twi, v, vee, we, wee, whee, ye, z, zee


2

d

abbreviation

Definition of d

  1. 1 date

  2. 2 daughter

  3. 3 day

  4. 4 dead; deceased

  5. 5 deci-

  6. 6 degree

  7. 7 [Latin denarius, denarii] penny; pence

  8. 8 depart; departure

  9. 9 diameter

  10. 10 differential

  11. 11 dimensional

  12. 12 distance

  13. 13 dorsal

  14. 14 drive; driving




1

D

abbreviation

Definition of D

  1. 1 Democrat

  2. 2 derivative

  3. 3 Dutch




2

D

symbol

Definition of D

  1. deuterium




d-

prefix \ˌdē, ˈdē\

Definition of d-

  1. 1 :  dextrorotatory <d-tartaric acid>

  2. 2 :  having a similar configuration at a selected carbon atom to the configuration of dextrorotatory glyceraldehyde —usually printed as a small capital <d-fructose>



Origin of d-

International Scientific Vocabulary, from dextr-


-d

symbol

Definition of -d

  1. —used after the figure 2 or 3 to indicate the ordinal number second or third <2d> <53d>




Medical Dictionary

d

abbreviation

Medical Definition of d

  1. 1dalton

  2. 2date

  3. 3daughter

  4. 4day

  5. 5dead

  6. 6deceased

  7. 7deciduous

  8. 8degree

  9. 9density

  10. 10developed

  11. 11deviation

  12. 12dexter

  13. 13diameter

  14. 14died

  15. 15diopter

  16. 16disease

  17. 17divorced

  18. 18dorsal

  19. 19dose

  20. 20duration




D

symbol

Medical Definition of D

  1. deuterium




d-

prefix \ˌdē, ˈdē\

Medical Definition of d-

  1. 1:  dextrorotatory—usually printed in italic <died-tartaric acid>

  2. 2:  having a similar configuration at a selected carbon atom to the configuration of dextrorotatory glyceraldehyde—usually printed as a small capital <D-fructose>




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