DDDD may refer to:
Arts and entertainment
*''
Dead Dead Demon's Dededede Destruction'', a 2014–2022 manga series, adapted to anime in 2024
*''D.D.D.D. (Destroy Devastating and Disgusting Derivatives)'', a 1995 album by
Incapacitants
*"D.D.D.D.", the ending theme of
episodes 5 and 6 of the anime series ''Dorohedoro''
Other uses
*DDDD, the Helmholtz notation for subsubcontra
D (musical note)
D is a musical note a whole tone above C, and is known as Re within the fixed-Do solfege system. Its enharmonic equivalents are C (C-double sharp) and E (E-double flat). It is the third semitone of the solfège.
When calculated in equal t ...
*DDDD, a U.S.
bra size
Bra size (also known as brassiere measurement or bust size) indicates the size characteristics of a bra to accurately fit the breasts. While there are a number of bra sizing systems in use around the world, the bra sizes usually consist of a numb ...
*DDDD, a non-standard
SPARS code indicating digital recording equipment and musical instruments
*dddd, a
code used in date formats to indicate "day of the week spelled out in full"
See also
*
4D (disambiguation)
*
D4 (disambiguation)
D4, D.IV, d4 or variants may refer to:
Science and medicine
* 22-Dihydroergocalciferol, vitamin D4
* D4-isoprostane, a type of isoprostane
* ATC code D04, ''Antipruritics, including antihistamines, anesthetics, etc.'', a subgroup of the Anatom ...
*
DDD (disambiguation)
DDD or Triple D may refer to:
Science and medicine
*Defined daily dose, a World Health Organization statistical measure of drug use
*Degenerative disc disease, a common disorder of the lower spine
*Dense deposit disease, the preferred name for Me ...
*
Four Ds, the guiding principles of the Allied occupation of Germany
*The "4 Ds" of
pruning
Pruning is the selective removal of certain parts of a plant, such as branches, buds, or roots.
It is practiced in horticulture (especially fruit tree pruning), arboriculture, and silviculture.
The practice entails the targeted removal of di ...
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