contraction of had:I was glad they'd gone.
contraction of did:Where'd they go?
contraction of should or would:He'd like to go. I'd like to remind you of your promise.
contraction of -ed:She OK'd the plan.
Other definitions for d' (2 of 12)
de (used in French names as an elided form of de): Charles Louis d'Albert.
di (used in Italian names as an elided form of di): Gabriele d'Annunzio.
Other definitions for d' (3 of 12)
Informal. contraction of do or did before you:How d'you like your eggs cooked? D'you go to the movies last night?
Other definitions for D (4 of 12)
the fourth letter of the English alphabet, a consonant.
any spoken sound represented by the letter D or d, as in dog, ladder, ladle, or pulled.
something having the shape of a D.
a written or printed representation of the letter D or d.
a device, as a printer's type, for reproducing the letter D or d.
Other definitions for D (5 of 12)
Other definitions for D (6 of 12)
the fourth in order or in a series.
(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.
(sometimes lowercase) a classification, rating, or the like, indicating poor quality.
the second tone in the scale of C major, or the fourth tone in the relative minor scale, A minor.
a string, key, or pipe tuned to this tone.
a written or printed note representing this tone.
(in the fixed system of solmization) the second tone of the scale of C major, called re.
the tonality having D as the tonic note.
(sometimes lowercase) the Roman numeral for 500.: Compare Roman numerals.
Chemistry. deuterium. : Also 2H
a battery size for 1.5 volt dry cells: diameter, 1.3 inches (3.3 centimeters); length, 2.4 inches (6 centimeters).
Biochemistry. aspartic acid.
a symbol for a shoe width size narrower than E and wider than C.
a proportional brassiere cup size larger than C.
Other definitions for d- (7 of 12)
- Compare d-.
Other definitions for d- (8 of 12)
dextrorotatory; dextro- (distinguished from l-).
- Compare d-.
Other definitions for d. (9 of 12)
(in prescriptions) give.
Other definitions for d. (10 of 12)
Other definitions for d. (11 of 12)
Other definitions for D. (12 of 12)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use 'd in a sentence
“Gronkowski” itself never manages to sound more erotic than the name of a hearty Polish stew or a D-list WWE performer.‘A Gronking to Remember’ Speed Read: 8 Naughtiest Bits | Emily Shire | January 7, 2015 | THE DAILY BEAST
I take calcium and vitamin D supplements, but prescription medications are generally only for women in menopause.
Then Pascal responds (in all caps) with, “BUT WE DIDNT WIN A D [sic] YOU KNOW HIM.”Exclusive: Sony Emails Blast David O. Russell For Allegedly ‘Feeling Up’ Transgender Niece | William Boot | December 14, 2014 | THE DAILY BEAST
The move gets an “A” for symbolism and a “D” for everything else.Sony Blames North Korea for Hacking, but Washington Left Them Completely Vulnerable | Gordon G. Chang | December 3, 2014 | THE DAILY BEAST
Sen. Claire McCaskill (D-MO), a leading voice on police demilitarization, was supportive of the White House announcement.SWAT Lobby Shoots to Kill Police Reform After Ferguson | Tim Mak | December 2, 2014 | THE DAILY BEAST
C was a Captain, all covered with lace; D was a drunkard, and had a red face.
D'o l'on peut aussy veoir, quelle esperance il y a de planter une belle chrestient par tels evangelistes.
Neither of us spoke again, and at length the squat log buildings of Pend d' Oreille loomed ahead of us in the night.Raw Gold | Bertrand W. Sinclair
He picked out that simple little study of Cramer in D major in the first book—you know it well—and asked me to play it.Music-Study in Germany | Amy Fay
(d) Excess balances may, at the convenience of each federal reserve bank, remain deposited with the gold settlement fund.Readings in Money and Banking | Chester Arthur Phillips
British Dictionary definitions for d (1 of 7)
the fourth letter and third consonant of the modern English alphabet
a speech sound represented by this letter, usually a voiced alveolar stop, as in dagger
the semicircle on a billiards table having a radius of 11 1/2 inches and its straight edge in the middle of the baulk line
British Dictionary definitions for d (2 of 7)
physics density or relative density
maths 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
British Dictionary definitions for 'd (3 of 7)
would or had: I'd; you'd
British Dictionary definitions for D (4 of 7)
Deutsch: indicating the serial number in the catalogue (1951) of the musical compositions of Schubert made by Otto Deutsch (1883–1967)
British Dictionary definitions for D (5 of 7)
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
a key, string, or pipe producing this note
the major or minor key having this note as its tonic
maths the first derivative of a function, as in D(x ³ + x ²) = 3 x ² + 2 x
a semiskilled or unskilled manual worker, or a trainee or apprentice to a skilled worker
(as modifier): D worker See also occupation groupings
(Roman numeral) 500: See Roman numerals
Germany (international car registration)
Australian informal defence: I'm playing D in the match this afternoon
Australian informal defensive play
British Dictionary definitions for d. (6 of 7)
(in animal pedigrees) dam
British currency penny or pennies
British Dictionary definitions for D. (7 of 7)
US politics Democrat(ic)
Don (a Spanish title)
(in the US and Canada) Doctor
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for d
Abbreviation of diameter
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.