-'d /d/

1. the short form of ‘would’:
I asked if she’d be willing to help.

2. the short form of ‘had’:
Nobody knew where he’d gone.

3. the short form of ‘did’:
Where’d you get that?

[TahlilGaran] Dictionary of Contemporary English ▲

3-D (also three-D) /ˌθriː ˈdiː◂/ adjective
a 3-D film or picture is made so that it appears to have length, width, and depth, and therefore the people and things in it look much more real. 3D is short for 'three dimensional'
—3-D noun [uncountable]:
a film in 3-D

[TahlilGaran] Dictionary of Contemporary English ▲

D , d /diː/ (plural D’s, d’s) noun

1. [uncountable and countable] the fourth letter of the English alphabet

2. [uncountable and countable] the second note in the musical scale of C major or the musical key based on this note

3. [countable] a mark given to a student’s work to show that it is not very good:
I got a D in history last semester.

4. the number 500 in the system of roman numerals
⇒ D and C

[TahlilGaran] Dictionary of Contemporary English ▲

d. (also d British English)

1. the written abbreviation of died:
John Keats d. 1821

2. the written abbreviation of penny or pence in the system of money used in Britain before 1971

[TahlilGaran] Dictionary of Contemporary English ▲

d' /d/
the short form of ‘do’:
D'you know how many people are going to be there?

[TahlilGaran] Dictionary of Contemporary English ▲

3D
Dudley Death Drop (pro wrestling move)

[TahlilGaran] Acronyms and Abbreviations Dictionary ▲

D
Below Average grade 
Daily 
Day 
Decimal 
Democrat 
Depth 
Diamonds (playing cards) 
Digital 
Dummy 
Five Hundred (Roman Numeral)

[TahlilGaran] Acronyms and Abbreviations Dictionary ▲

D-12
Dirty Dozen

[TahlilGaran] Acronyms and Abbreviations Dictionary ▲

D
District Office

[TahlilGaran] Acronyms and Abbreviations Dictionary ▲

d
Draught

[TahlilGaran] Acronyms and Abbreviations Dictionary ▲

D.
Delivery, Delivered

[TahlilGaran] Acronyms and Abbreviations Dictionary ▲