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.
LEARN THE SPANISH WORDS FOR THESE COMMON ANIMALS!
Are you learning Spanish? Or do you just have an interest in foreign languages? Either way, this quiz on Spanish words for animals is for you.
Question 1 of 13
How do you say “cat” 🐈 in Spanish?
Definition 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.
Definition for 'd (3 of 12)
Pronunciation Spelling. contraction of do or did before you:How d'you like your eggs cooked? D'you go to the movies last night?
Definition for 'd (4 of 12)
[ dee ]
/ di /
noun, plural D's or Ds, d's or ds.
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.
Definition for 'd (5 of 12)
Definition 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 D
- electric displacement.
- 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.
Definition for 'd (7 of 12)
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-).
Definition for 'd (8 of 12)
Symbol, Chemistry, Biochemistry.
dextrorotatory; dextro- (distinguished from l-).
Definition for 'd (9 of 12)
(in prescriptions) give.
Origin of d.1
From the Latin word dā
Definition for 'd (10 of 12)
Origin of d.2
From the Latin word denāriī
Definition for 'd (11 of 12)
Definition for 'd (12 of 12)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
British Dictionary definitions for 'd (1 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
chess See algebraic notation
British Dictionary definitions for 'd (2 of 7)
/ (diː) /
noun plural d's, D's or Ds
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 (3 of 7)
would or hadI'd; you'd
British Dictionary definitions for 'd (4 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
- electric displacement
Germany (international car registration)
- Australian informal defenceI'm playing D in the match this afternoon
- Australian informal defensive play
Word Origin for D
(for sense 8) from German Deutschland
British Dictionary definitions for 'd (5 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 (6 of 7)
(in animal pedigrees) dam
British currency penny or pennies
Word Origin for d.
(sense 3 and 6) Latin denarius
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
Medical definitions for 'd (1 of 5)
Medical definitions for 'd (2 of 5)
The symbol for the isotope deuterium.
Medical definitions for 'd (3 of 5)
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.
Medical definitions for 'd (4 of 5)
To the right; dextro:d-tartaric acid.
Medical definitions for 'd (5 of 5)
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Scientific definitions for 'd
Abbreviation of diameter
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.