Definition of D in English :

Define D in English

D meaning in English

Meaning of D in English

Pronunciation of D in English

D pronunciation in English

Pronounce D in English

D

see synonyms of d

Noun

2. 500, d, five hundred

the cardinal number that is the product of one hundred and five

3. d

the 4th letter of the Roman alphabet

Adjective

4. 500, d, five hundred

denoting a quantity consisting of 500 items or units

WordNet Lexical Database for English. Princeton University. 2010.


D

see synonyms of d
nounWord forms: plural d's, D's or 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 1112 inches and its straight edge in the middle of the baulk line
symbol for
1. physics
density or relative density
2. mathematics
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 algebraic notation
symbol 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. chemistry
deuterium
3. mathematics
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. 
(as modifier)
D worker
See also occupation groupings
7. (Roman numeral)
500
Roman numerals
abbreviation for
8. 
Germany (international car registration)
9. Australian informal
a. 
defence
I'm playing D in the match this afternoon
b. Australian informal
defensive play
abbreviation for
Deutsch: indicating the serial number in the catalogue (1951) of the musical compositions of Schubert made by Otto Deutsch (1883–1967)
abbreviation for
1. 
(in animal pedigrees) dam
2. 
daughter
3. British currency
penny or pennies
4. 
diameter
5. 
died
6. 
dinar(s)
7. 
dollar(s)
8. 
drachma(s)
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
contraction of
would or had
I'd
you'd

Collins English Dictionary. Copyright © HarperCollins Publishers


D

see synonyms of d
noun
1. 
a Roman numeral for 500; with a superior bar (57468), 500,000 or less often, 5,000
2.  US, Education
a grade indicating below-average work, or merely passing
3.  Music
a. 
the second tone or note in the ascending scale of C major
b. 
a key, string, etc. producing this tone
c. 
the scale having this tone as the keynote
adjective
4. 
below average in quality
1. 
dairy: prepared according to kashrut or kosher laws
2. 
December
3. 
Democrat
4. 
Democratic
5.  Chemistry
deuterium
6. 
digital
7. 
drive (on automotive automatic-shift indicators)
8. 
Doctor
9. 
Don
10. 
Duchess
11. 
Duke
12. 
Dutch
13. 
Lord
nounWord forms: plural d's or D's
1. 
the fourth letter of the English alphabet: from the Greek delta, a borrowing from the Phoenician
2. 
any of the speech sounds that this letter represents, as, in English, the (d) of dog
3. 
a type or impression for d or D
4. 
the fourth in a sequence or group
5. 
an object shaped like D
adjective
6. 
of d or D
7. 
fourth in a sequence or group
8. 
shaped like D
1. 
dam (in pedigrees)
2. 
date
3. 
daughter
4. 
day(s)
5. 
dead
6. 
deci-
7. 
degree
8.  Physics
density
9. 
departs
10. 
departure
11. 
diameter
12. 
died
13.  Physics
distance
14. 
division
15. 
dollar
16. 
dorsal
17. 
dose
18. 
dyne(s)
19.  Pharmacy
give
20. 
penny; pence

Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by Houghton Mifflin Harcourt. All rights reserved.


D

see synonyms of d
n. pl. d's or D's also ds or Ds
1. The fourth letter of the modern English alphabet.
2. Any of the speech sounds represented by the letter d.
3. The fourth in a series.
4. Something shaped like the letter D.
5. D The lowest passing grade given to a student in a school or college.
6. Music
a. The second tone in the scale of C major or the fourth tone in the relative minor scale.
b. A key or scale in which D is the tonic.
c. A written or printed note representing this tone.
d. A string, key, or pipe tuned to the pitch of this tone.
1. The symbol for the isotope deuterium.
2. also d The symbol for the Roman numeral 500.
abbr.
1. dative
2. day
3. Sports
a. defender
b. defense
c. defensive
4. Democrat
5. divorced
6. down
abbr.
1. deuteron
2. diameter
3. differential
4. down quark
1. Contraction of had: He'd already left.
2. Contraction of would: I'd rather walk than drive.
3. Contraction of did: Who'd you ask?
In biochemistry, a symbol used as a prefix to indicate the spatial configuration of certain organic compounds with asymmetric carbon atoms. It is used if an organic compound has a configuration about an asymmetric carbon atom analogous to that of D-glyceraldehyde (the arbitrarily chosen standard), in which the hydroxy (OH) functional group is on the right side of the asymmetric carbon atom in a Fischer projection formula.
The symbol for dextrorotatory.
abbr.
1. Zoology dam
2. date
3. daughter
4. died
5. dose
6. Chiefly British penny ( 1/12 of a shilling)

The American Heritage ® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.