d

1 of 6

noun

ˈdē

plural d's or ds ˈdēz How to pronounce d (audio)

often capitalized, often attributive

: the 4th letter of the English alphabet

Her middle initial is d.

: a graphic representation of this letter

a half moon in the shape of a d

linguistics : the speech sound that the written letter d represents : a speech counterpart of orthographic d

Roman numerals : five hundred see Table of Numbers

music : the second tone of a C-major scale (see scale entry 5 sense 1)

in the key of d

: a graphic device for reproducing the letter d

the d on my computer keyboard

: one designated d especially as the fourth in order or class

option d

education

: a grade rating a student's work as poor in quality

got a d on the test

: one graded or rated with a D

: something shaped like the letter D

specifically : a semicircle on a pool table about 23 inches in diameter for use especially in snooker

capitalized, sports

: defense sense 2b

play tough D

: defense sense 4b

2 of 6

abbreviation (1)

date

daughter

day

dead; deceased

deci-

degree

[Latin denarius, denarii] penny; pence

depart; departure

diameter

differential

dimensional

distance

dorsal

down (see down entry 5 sense 6)

drive; driving

3 of 6

abbreviation (2)

Democrat

derivative

dollar

Dutch

4 of 6

symbol (1)

deuterium

5 of 6

prefix

ˌdē,

ˈdē

: dextrorotatory

d-tartaric acid

: having a similar configuration at a selected carbon atom to the configuration of dextrorotatory glyceraldehyde

—usually printed as a small capital

d-fructose

-d

6 of 6

symbol (2)

—used after the figure 2 or 3 to indicate the ordinal number second or third

2d53d

Medical Definition

1 of 3 abbreviation

dalton

date

daughter

day

dead

deceased

deciduous

degree

density

developed

deviation

dexter

diameter

died

diopter

disease

divorced

dorsal

dose

duration

2 of 3 symbol

deuterium

3 of 3 prefix

ˌdē, ˈdē

: dextrorotatory

—usually printed in italic

d-tartaric acid

: having a similar configuration at a selected carbon atom to the configuration of dextrorotatory glyceraldehyde

—usually printed as a small capital

D-fructose

单词	d
释义	d 1 of 6 noun ˈdē plural d's or ds ˈdēz often capitalized, often attributive 1 a : the 4th letter of the English alphabet Her middle initial is d. b : a graphic representation of this letter a half moon in the shape of a d c linguistics : the speech sound that the written letter d represents : a speech counterpart of orthographic d 2 Roman numerals : five hundred see Table of Numbers 3 music : the second tone of a C-major scale (see scale entry 5 sense 1) in the key of d 4 : a graphic device for reproducing the letter d the d on my computer keyboard 5 : one designated d especially as the fourth in order or class option d 6 education a : a grade rating a student's work as poor in quality got a d on the test b : one graded or rated with a D 7 : something shaped like the letter D specifically : a semicircle on a pool table about 23 inches in diameter for use especially in snooker 8 capitalized, sports a : defense sense 2b play tough D b : defense sense 4b d 2 of 6 abbreviation (1) 1 date 2 daughter 3 day 4 dead; deceased 5 deci- 6 degree 7 [Latin denarius, denarii] penny; pence 8 depart; departure 9 diameter 10 differential 11 dimensional 12 distance 13 dorsal 14 down (see down entry 5 sense 6) 15 drive; driving D 3 of 6 abbreviation (2) 1 Democrat 2 derivative 3 dollar 4 Dutch D 4 of 6 symbol (1) deuterium d- 5 of 6 prefix ˌdē, ˈdē 1 : dextrorotatory d-tartaric acid 2 : having a similar configuration at a selected carbon atom to the configuration of dextrorotatory glyceraldehyde —usually printed as a small capital d-fructose -d 6 of 6 symbol (2) —used after the figure 2 or 3 to indicate the ordinal number second or third 2d53d Example Sentences Noun Many people who are learning to read confuse b's and d's. names that start with d The song is in the key of D. She got a D on her chemistry test. Word History Etymology Prefix International Scientific Vocabulary, from dextr- First Known Use Noun before the 12th century, in the meaning defined at sense 1a Phrases Containing d d-bag d-bag Kids Definition d noun ˈdē plural d's or ds often capitalized 1 : the fourth letter of the English alphabet 2 : five hundred in Roman numerals see number 3 : the musical note referred to by the letter D : the second tone of the C-major scale 4 : a grade rating a student's work as poor Medical Definition d 1 of 3 abbreviation 1 dalton 2 date 3 daughter 4 day 5 dead 6 deceased 7 deciduous 8 degree 9 density 10 developed 11 deviation 12 dexter 13 diameter 14 died 15 diopter 16 disease 17 divorced 18 dorsal 19 dose 20 duration D 2 of 3 symbol deuterium d- 3 of 3 prefix ˌdē, ˈdē 1 : dextrorotatory —usually printed in italic d-tartaric acid 2 : having a similar configuration at a selected carbon atom to the configuration of dextrorotatory glyceraldehyde —usually printed as a small capital D-fructose Legal Definition D abbreviation 1 district 2 defendant
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d

noun

abbreviation (1)

abbreviation (2)

symbol (1)

prefix

symbol (2)

Example Sentences

Word History

Phrases Containing d

Kids Definition

Medical Definition

Legal Definition