Editing ABCD

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'''ABCD''' may refer to:

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== Entertainment ==

=== Film ===
* [[ABCD (film)|''ABCD'' (film)]], a 2005 Indian Tamil-language romance
* [[ABCD: American Born Confused Desi (disambiguation)]] 
* ''[[ABCD: Any Body Can Dance]]'', a 2013 Indian Hindi-language dance-drama
** ''[[ABCD 2]]'', the 2015 sequel

=== Music ===

* [[ABCD (song)]], a 2024 South Korean song by Nayeon of Twice

==Science and technology==
===Medicine===
* ABCD, a variation of [[ABC (medicine)]], a medical mnemonic
* [[ABCD guideline]], used in diagnosis of melanoma
* [[ABCD rating]], a staging system for prostate cancer
* [[ABCD syndrome]], a genetic disorder
* [[Amphotericin B]] colloidal dispersion, an antifungal preparation

===Other uses in science and technology===
* [[ABCD Schema]], a data exchange and access model in biology
* [[ABCD matrix analysis]], or ray transfer matrix analysis
* [[ABCD-parameters|''ABCD''-parameters]], in a two-port network
* [[ABCd]], an American TV streaming service
* ABCD (add, browse, change, delete) a variation of [[create, read, update and delete]] in computer programming

==Other uses==
* [[ABCD line]], embargoes placed against the Japanese Empire by the Americans, British, Chinese and Dutch
* [[ABCD Region]], an industrial district outside of São Paulo, Brazil
* [[ABCD ships]] (''Atlanta'', ''Boston'', ''Chicago'' and ''Dolphin'') of Delaware River Iron Ship Building and Engine Works
* [[Action for Boston Community Development]], an American organization
* [[American-born confused desi]], informal term for South Asian Americans
* [[Asset-based community development]], a methodology for the sustainable development of communities
* [[Association of Better Computer Dealers]], now CompTIA
* "ABCD" companies that dominate world agricultural commodity trading: [[ADM (company)|Archer-Daniels-Midland]], [[Bunge Global|Bunge]], [[Cargill]], [[Louis Dreyfus Company|Louis Dreyfus]] <!--ignore one blue link rule-->

==See also==
* [[ABC (disambiguation)]]
* [[ABCD1]], a protein
* [[ABCD² score|ABCD<sup>2</sup> score]], a score for determining the risk of stroke after a transient ischemic attack
* [[English alphabet]]

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