D
also d (diː ) (plural D's, d's )
1.variable noun A1
D is the fourth letter of the English alphabet.
2.variable noun
In music, D is the second note in the scale of C major.
3.variable noun B1+
4.
d. is an abbreviation for died when it is written in front of dates, for example on graves or in reference books.
5.
d was a written abbreviation for penny or pence in Britain before decimal currency was introduced in 1971.
6.
D or d is used as an abbreviation for words beginning with d, such as 'day', 'defeated', or ' district'.
Collins COBUILD Advanced Learner’s Dictionary. Copyright © HarperCollins Publishers
English Easy Learning GrammarWhen do you use 'would' in English?The modal verbwouldis commonly used as follows:
to make a polite request.
Wouldyou mind moving your bag?
Wouldyougive me a hand with this ladder, ...Read more
-'d
pronunciation note: Pronounced (-d ) after a vowel sound and (-əd ) after a consonant sound.
1.
-'d is a spoken form of 'had', especially when 'had' is an auxiliary verb. It is added to the end of the pronoun which is the subject of the verb. For example, 'you had' can be shortened to 'you'd'.
2.
-'d is a spoken form of 'would'. It is added to the end of the pronoun which is the subject of the verb. For example, 'I would' can be shortened to 'I'd'.
Collins COBUILD Advanced Learner’s Dictionary. Copyright © HarperCollins Publishers
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d in British English 1
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 111⁄2 inches and its straight edge in the middle of the baulk line
Collins English Dictionary. Copyright © HarperCollins Publishers
d in British English 2
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 d y/d x
3. chess See algebraic notation
Collins English Dictionary. Copyright © HarperCollins Publishers
D in British English 1
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
See Roman numerals
abbreviation for
8.
Germany (international car registration)
9. Australian informal
a.
defence
I'm playing D in the match this afternoon
b.
defensive play
Collins English Dictionary. Copyright © HarperCollins Publishers
Word origin
(for sense 8) from German Deutschland
D in British English 2
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)
Collins English Dictionary. Copyright © HarperCollins Publishers
d. in British English
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)
Collins English Dictionary. Copyright © HarperCollins Publishers
Word origin
(sense 3 and 6) Latin denarius
D. in British English
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
Collins English Dictionary. Copyright © HarperCollins Publishers
'd in British English
contraction of
would or had
I'd
you'd
Collins English Dictionary. Copyright © HarperCollins Publishers
D in American English 1
noun
1.
a Roman numeral for 500; with a superior bar (), 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
Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by Houghton Mifflin Harcourt. All rights reserved.
D in American English 2
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
Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by Houghton Mifflin Harcourt. All rights reserved.
Word origin
(sense 13) L Dominus
d in American English 1
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
Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by Houghton Mifflin Harcourt. All rights reserved.
d in American English 2
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.
Word origin
(sense 19) L da; (sense 20) L denarius, pl. denarii
d'- in American English
do
d'you know the story?
Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by Houghton Mifflin Harcourt. All rights reserved.
-'d in American English 1
1.
had
I'd seen it before
2.
would or should
we said we'd help
3.
did
how'd you get here?
Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by Houghton Mifflin Harcourt. All rights reserved.
-'d in American English 2
-ed used
a.
esp. in old poetry, to indicate a nonsyllabic ending
foster'd
b.
to spell the inflected forms of some words, esp. initialisms
mascara'd, OD'd
Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by Houghton Mifflin Harcourt. All rights reserved.
D in American English 1
abbreviation
1.Electricity debye
2.
deep
3.
depth
4.Optics
diopter
5.
divorced
6.
Dutch
Most material © 2005, 1997, 1991 by Penguin Random House LLC. Modified entries © 2019 by Penguin Random House LLC and HarperCollins Publishers Ltd
D in American English 2
symbol
1.
the fourth in order or in a series
2.(sometimes lc; 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 lc)
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 lc)
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 in. (3.3 cm); length, 2.4 in. (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
Most material © 2005, 1997, 1991 by Penguin Random House LLC. Modified entries © 2019 by Penguin Random House LLC and HarperCollins Publishers Ltd
D in American English
(di) d (di)
nounWord forms: 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
Most material © 2005, 1997, 1991 by Penguin Random House LLC. Modified entries © 2019 by Penguin Random House LLC and HarperCollins Publishers Ltd
d. in American English
abbreviation
1.(in prescriptions)
give
2.
date
3.
daughter
4.
day
5.
deceased
6.
deep
7.
degree
8.
delete
9.Brit
pence
10.Brit
penny
11.Physics
density
12.
depth
13.
deputy
14.
dialect
15.
dialectal
16.
diameter
17.
died
18.
dime
19.
dividend
20.
dollar; dollars
21.
dose
22.
drachma
Most material © 2005, 1997, 1991 by Penguin Random House LLC. Modified entries © 2019 by Penguin Random House LLC and HarperCollins Publishers Ltd
Word origin
[(def. 1) ‹ L dā; (def. 9) ‹ L denāriī; (def. 10) ‹ L denārius]
D. in American English
abbreviation
1.
day
2.
December
3.
Democrat
4.
Democratic
5.Physics
density
6.
Deus
7.
Deuteronomy
8.
Doctor
9.
dose
10.
Dutch
Most material © 2005, 1997, 1991 by Penguin Random House LLC. Modified entries © 2019 by Penguin Random House LLC and HarperCollins Publishers Ltd
d' in American English 1
preposition
1.
(used in French names as an elided form of de)
Charles Louis d'Albert
2.
(used in Italian names as an elided form of di)
Gabriele d'Annunzio
Most material © 2005, 1997, 1991 by Penguin Random House LLC. Modified entries © 2019 by Penguin Random House LLC and HarperCollins Publishers Ltd
d' in American English 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?
Most material © 2005, 1997, 1991 by Penguin Random House LLC. Modified entries © 2019 by Penguin Random House LLC and HarperCollins Publishers Ltd
'd in American English
contraction of
1.
had
I was glad they'd gone
2.
did
Where'd they go?
3.
should or would
He'd like to go
I'd like to remind you of your promise
4.
-ed
She OK'd the plan
Most material © 2005, 1997, 1991 by Penguin Random House LLC. Modified entries © 2019 by Penguin Random House LLC and HarperCollins Publishers Ltd
Word lists with
d
international car registration letters
