D, d

[dee]
noun, plural D's or Ds, d's or 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 D .
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.
Dictionary.com Unabridged

d-

Symbol, Biochemistry. (of a molecule) having a configuration resembling the dextrorotatory isomer of glyceraldehyde: always printed as a small capital, roman character (distinguished from l- ).
Compare d-.

d-

Symbol, Chemistry, Biochemistry.
dextrorotatory; dextro- (distinguished from l- ).
Compare d-.

d'

1
preposition
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'

2
Pronunciation spelling. contraction of do or did before you: How d'you like your eggs cooked? D'you go to the movies last night?

'd

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

1.
Electricity, debye.
2.
4.
Optics. diopter.
5.
divorced.

D

Symbol.
1.
the fourth in order or in a series.
2.
(sometimes lowercase) (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 lowercase) a classification, rating, or the like, indicating poor quality.
4.
Music.
a.
the second tone in the scale of C major, or the fourth tone in the relative minor scale, A minor.
b.
a string, key, or pipe tuned to this tone.
c.
a written or printed note representing this tone.
d.
(in the fixed system of solmization) the second tone of the scale of C major, called re.
e.
the tonality having D as the tonic note.
5.
(sometimes lowercase) the Roman numeral for 500. Compare Roman numerals.
6.
Chemistry, deuterium.
7.
Electricity.
a.
electric displacement.
b.
a battery size for 1.5 volt dry cells: diameter, 1.3 inches (3.3 cm); length, 2.4 inches (6 cm).
8.
Biochemistry. aspartic acid.
9.
a symbol for a shoe width size narrower than E and wider than C.
10.
a proportional brassiere cup size larger than C.

D.

d.

1
(in prescriptions) give.

Origin:
< Latin

d.

2
British, pence.

Origin:
< Latin denāriī

d.

3
1.
3.
5.
8.
Physics. density.
10.
14.
died.
15.
17.
dollar; dollars.
18.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To d
Collins
World English Dictionary
d or D (diː)
 
n , pl d's, D's, Ds
1.  the fourth letter and third consonant of the modern English alphabet
2.  a speech sound represented by this letter, usually a voiced alveolar stop, as in dagger
3.  the semicircle on a billiards table having a radius of 11½ inches and its straight edge in the middle of the baulk line
 
D or D
 
n

d
 
symbol for
1.  physics density or relative density
2.  maths a small increment in a given variable or function: used to indicate a derivative of one variable with respect to another, as in dy/dx
3.  chess See algebraic notation

D
 
symbol for
 
abbreviation for
1.  music
 a.  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
 b.  a key, string, or pipe producing this note
 c.  the major or minor key having this note as its tonic
2.  chem deuterium
3.  maths the first derivative of a function, as in D(x³ + x²) = 3x² + 2x
4.  physics
 a.  dispersion
 b.  electric displacement
5.  aeronautics drag
6.  a.  a semiskilled or unskilled manual worker, or a trainee or apprentice to a skilled worker
 b.  See also occupation groupings (as modifier): D worker
7.  Roman numeral See Roman numerals 500
8.  Germany (international car registration)
9.  informal (Austral) defence: I'm playing D in the match this afternoon
 informal (Austral) defensive play
 
[(for sense 8) from German Deutschland]

D or D.
 
abbreviation for
Deutsch: indicating the serial number in the catalogue (1951) of the musical compositions of Schubert made by Otto Deutsch (1883--1967)
 
D. or D.
 
abbreviation for

d.
 
abbreviation for
1.  (in animal pedigrees) dam
2.  daughter
3.  (Brit) currency penny or pennies
4.  diameter
5.  died
6.  dinar(s)
7.  dollar(s)
8.  drachma(s)
 
[(sense 3 and 6) Latin denarius]

D.
 
abbreviation for
1.  (US) politics Democrat(ic)
2.  government Department
3.  dinar(s)
4.  Don (a Spanish title)
5.  Duchess
6.  Duke
7.  (in the US and Canada) Doctor

'd
 
contraction of
would or had: I'd; you'd

de, (before a vowel) De, (before a vowel) d' or (before a vowel) D'1 (də)
 
of; from: occurring as part of some personal names and originally indicating place of origin: Simon de Montfort; D'Arcy; de la Mare
 
[from Latin dē; see de-]
 
De, (before a vowel) De, (before a vowel) d' or (before a vowel) D'1
 
 
[from Latin dē; see de-]
 
d', (before a vowel) De, (before a vowel) d' or (before a vowel) D'1
 
 
[from Latin dē; see de-]
 
D', (before a vowel) De, (before a vowel) d' or (before a vowel) D'1
 
 
[from Latin dē; see de-]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
Etymonline
Word Origin & History

D
from Gk. delta, from Phoenician and Hebrew daleth. The sign for "500" in Roman numerals. 3-D is attested from 1953.
Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
American Heritage
Medical Dictionary

d- pref.
Relating to the configuration of d-glyceraldehyde, a compound chosen as the basis for stereochemical nomenclature because it is the simplest carbohydrate that can form optical isomers: d-fructose.

D 1

The symbol for the isotope deuterium.

D 2
abbr.

  1. dexter

  2. diffusing capacity

  3. dead space

D. abbr.

  1. diopter

  2. dose

d- pref. d-
To the right; dextro: d-tartaric acid.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
American Heritage
Science Dictionary
d  
Abbreviation of diameter
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
FOLDOC
Computing Dictionary

D definition


1. "The Data Language." MS-DOS 4GL.
2. A Haskell-like language, with type classes.
E-mail: .

The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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American Heritage
Abbreviations & Acronyms
d
  1. deuteron

  2. diameter

  3. differential

  4. down quark

D
  1. dative

  2. day

  3. Democrat

  4. determiner

  5. deuterium

  6. [suggestive] dialogue (television rating)

  7. diction

  8. divorced

  9. down

  10. Dutch

  11. 500

  12. Germany (international vehicle ID)

d.
  1. date

  2. daughter

  3. deputy

  4. died

  5. dose

  6. drachma

  7. pence

D.
  1. department

  2. Deus

  3. diopter

  4. Don

  5. duchess

  6. duke

The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
Example sentences for d
These flutes were often tuned to the key of d, and used as the tenor voice.
Show movie from new line cinema, and the first draft of the tenacious d movie.
D in his book the psychotechnology of brainwashing crucifying willie lynch.
D and was a professor at the university of physical culture and sport in moscow.
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