CDR

CDR may refer to:

Technology

• Carbon dioxide removal, a form of geoengineering
• Call detail record, a record of a (billing) event produced by a telecommunication network element
• Charging data record, a record of a (billing) event produced by a data network element in 3GPP networks
• Climate Data Records, a time series of measurements of sufficient length, consistency, and continuity to determine climate variability and change
• Committed data rate, in telecommunications, related to the committed information rate
• Capacity Demand Reserve for Electricity & Power Networks

Computing

• CD-R, a recordable compact disc format
• CAR and CDR, in the programming language Lisp
• CDR (file format), native to CorelDRAW
• .cdr, the file extension used for ISO 9660 disk images created by Disk Utility in Mac OS X
• Clock and data recovery, a method of synchronizing with serialized data received without a clock signal
• Common Data Representation, a format used to represent data types during remote invocations on Common Object Request Broker Architecture

Military

• Commander, a naval rank
• Commander (United States), a US naval military rank
• Commander, a NASA Astronaut designation for the commander of a mission
• Critical design review, a U.S. government design review in the engineering process

Organizations

• Center for the Development of Recycling, a recycling service organization at San Jose State University
• Center for Decision Research, a research group at the University of Chicago Graduate School of Business
• Coalition for the Defence of the Republic, a Rwandan political party involved in the 1994 Genocide
• Committees for the Defense of the Revolution, ("Comités de Defensa de la Revolución") in Cuba
• Committee for the Defence of the Revolution (Ghana), see List of abbreviations in Ghana
• Committee of the Regions, Comité des Régions, an EU organization
• Council on Disaster Reduction, of the American Society of Civil Engineers
• Council for Democratic Reform, a former military junta ruling Thailand
• Romanian Democratic Convention, a former Romanian political alliance
• County Donegal Railway, a railway that was under the auspices of the County Donegal Railways Joint Committee

Science and medicine

• Clinical data repository, a medical database system designed to provide a realtime summary of a patient's condition
• Clinical Dementia Rating
• Cognitive dissonance reduction, a theory in psychology assuming that individuals seek consistency between their expectations and their reality.
• Complementarity determining region, one of six hypervariable loops which determine the antigen specificity of a given antibody
• CDR Computerized Assessment System
• Challenge–dechallenge–rechallenge, a medical testing protocol
• Common Drug Review, a process for making drug formulary listing recommendations by the Canadian Agency for Drugs and Technologies in Health (CADTH)
• Crude death rate, a demographic measure of the mortality rate
• Cup-to-disc ratio, relation from cup to disc of the optic disc

Other

• Chadron Municipal Airport, an airport in Nebraska, United States
• Chris Douglas-Roberts, American basketball player.