D Definition

dē
noun
The fourth letter of the English alphabet: from the Greek delta, a borrowing from the Phoenician.
Webster's New World
Any of the speech sounds that this letter represents, as, in English, the (d) of dog.
Webster's New World
A type or impression for d or D.
Webster's New World
The fourth in a sequence or group.
Webster's New World
A Roman numeral for 500; with a superior bar (), 500,000 or, less often, 5,000
Webster's New World
Synonyms:
abbreviation
Differential.
American Heritage
Down quark.
American Heritage
Day(s)
Webster's New World
Dative.
American Heritage
Dead.
Webster's New World
adjective
Of d or D.
Webster's New World
Fourth in a sequence or group.
Webster's New World
Shaped like D.
Webster's New World
Below average in quality.
Webster's New World
Synonyms:
affix
Dextrorotatory.
Webster's New World
Having an asymmetrical, right-handed spatial arrangement of atoms: usually printed as a small capital.
D-glucose.
Webster's New World
Do.
D'you know the story?
Webster's New World
Had.
I'd seen it before.
Webster's New World
Would or should.
We said we'd help.
Webster's New World
other
In biochemistry, a symbol used as a prefix to indicate the spatial configuration of certain organic compounds with asymmetric carbon atoms. It is used if an organic compound has a configuration about an asymmetric carbon atom analogous to that of D-glyceraldehyde (the arbitrarily chosen standard), in which the hydroxy (OH) functional group is on the right side of the asymmetric carbon atom in a Fischer projection formula.
American Heritage Medicine

Origin of D

  • From dextrorotatory

    From American Heritage Dictionary of the English Language, 5th Edition

D Sentence Examples

  • The value of d can be evaluated by considering the combustion of amorphous carbon to carbon monoxide and carbon dioxide.

  • M/H = (d 2 -1 2) tan 0/2d, where 1 is half the length of the magnet, which is placed in the " broadside-on " position as regards a small suspended magnetic needle, d the distance between the centre of the magnet and the needle, and 0 the angle through which the needle is deflected by the magnet.

  • The its natural position; d, appendage right and left halves are conextended or unrolled.

  • The declaration is to the effect that the clergyman has not received the presentation in consideration of any sum of money, reward, gift, profit or benefit directly or indirectly given or promised by him or any one for him to any one; that he has not made any promise of resignation other than that allowed by the Clerical Resignation Bonds Act 1828; that he has not for any money or benefit procured the avoidance of the benefice; and that he has not been party to any agreement invalidated by sec. 3 sub-sec. 3 of the act which invalidates any agreement for the exercise of a right of patronage in favour or on the nomination of any particular person, and any agreement on the transfer of a right of patronage (a) for the retransfer of the right, or (b) for postponing payment of any part of the consideration for the transfer until a vacancy or for more than three months, or (c) for payment of interest until a vacancy or for more than three months, or (d) for any payment in respect of the date at which a vacancy occurs, or (e) for the resignation of a benefice in favour of any person.

  • Writing these results Dif = D(1)f, D = D(2)f+D(l2)f, D3f = D(3)f+ (21)f+ D(13)f, s =1 (J1)11(J3)12(J3)13...

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