CDR

Technology

Carbon dioxide removal, ways to remove carbon dioxide from the atmosphere
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
China Digital Radio, a Chinese standard for digital radio broadcasting; competitor to DAB, HD Radio, DRM+
Climate Data Record, a time series of measurements of sufficient length, consistency, and continuity to determine climate variability and change
Committed data rate, a concept in telecommunications
Crash Data Retrieval, a tool for imaging or downloading data from an Event data recorder

CD-R, a recordable compact disc format
Character Detection & Recognition, the detection and recognition of images with typed characters.
CAR and CDR, in the programming language Lisp
CDR coding, 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
Content Disarm & Reconstruction, a computer security technology that removes malicious code from files by processing all incoming files of an enterprise network, deconstructing them, and removing the elements that do not match the file type's standards or set policies.
Corporate Digital Responsibility, a set of rules compiled by a company that defines their ethical values when creating digital products.

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

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
Committees for the Defense of the Revolution (Burkina Faso) ("Comités de Défense de la Révolution")
Committee for the Defence of the Revolution (Ghana), see List of abbreviations in Ghana
European 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
Lebanese Council for Development and Reconstruction, organization founded to reconstruct Lebanon in 1977
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
Committees for the Defense of the Republic, local assemblies to defend the Catalan Republic
Democratic Revolutionary Council (Template:Langx), a rebel faction in Chad

Clinical data repository, a medical database system designed to provide a realtime summary of a patient's condition
Clinical Dementia Rating, a numeric scale used to quantify the severity of symptoms of dementia
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
Mitosis inducer protein kinase cdr2, a mitotic regular in yeast
CDR2 (gene), cerebellar degeneration-related protein 2