Meaning of “d.” in the English Dictionary

"d." in British English

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uk /əd/ us /əd/

short form of would:

I asked if she'd like to come tonight.

short form of had:

If you'd told me what was wrong I could have helped.

(Definition of “d.” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"D" in American English

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us /di/

D noun (LETTER)

[ C ] plural D’s, Ds, d’s or ds also d the fourth letter of the English alphabet


music [ C/U ] plural D’s or Ds in Western music, the second note in the scale (= series of notes) that begins on the note C, or a set of notes based on this note

D noun (MARK)

[ C ] plural D’s or Ds a mark given for an exam, a course, or a piece of work which shows that your work is thought of as below average and that it needs improvement:

I can’t believe I got a D in history last semester.


also d us /di, fɑɪvˈhʌn·drəd/

D number (NUMBER)

the Roman numeral for the number 500

(Definition of “D” from the Cambridge Academic Content Dictionary © Cambridge University Press)

"d" in Business English

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dnoun [ C ]

uk us

FINANCE abbreviation for dividend

(Definition of “d” from the Cambridge Business English Dictionary © Cambridge University Press)