DCL

DCL or .dcl may refer to:

• 650 in Roman numerals, see 650 (disambiguation)

Computers

• Data Center Linux, see Open Source Development Labs
• Data Control Language, a subset of SQL
• Dialog Control Language, a language and interpreter within AutoCAD
• DIGITAL Command Language, the command language used by most of the operating systems from the former Digital Equipment Corporation (DEC)
• Double-checked locking, a software design pattern
• .dcl, source code files for Clean (programming language)
• .dcl, Delphi Control Library files for Embarcadero Delphi

Military

• Char de dépannage DNG/DCL, armoured recovery vehicle

Degrees

• Doctor of Canon Law, for studies of canon law of the Roman Catholic Church
• Doctor of Civil Law, an alternative to the Doctor of Laws (LL.D.) degree

Organizations

• Data Connection Ltd, a former name of Metaswitch
• Detroit College of Law, now known as the Michigan State University College of Law
• Disney Cruise Line, a cruise line company (United States)

Places

• Deep Creek Lake State Park, a Maryland state park in Garrett County, United States

Science, technology, and medicine

• DCL Technology Demonstrator programme, a torpedo detection system (U.K.)
• Device for Connection of Luminaires, a European plug and socket system for connecting lighting equipment
• DICER-like, family of plant genes
• Direct coal liquefaction
• Deuterium chloride, DCl, a form of hydrogen chloride using deuterium atoms

Sports and games

• Dual County League, a high school athletic conference in Massachusetts, United States
• Drone Champions League, a drone racing league

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