CDR may refer to:

Technology

Carbon dioxide removal Carbon dioxide removal (CDR), also known as negative emissions, is a process in which carbon dioxide gas () is removed from the atmosphere and sequestered for long periods of time. Similarly, greenhouse gas removal (GGR) or negative greenho ...

, ways to remove carbon dioxide from the atmosphere *

Call detail record A call detail record (CDR) is a data record produced by a telephone exchange or other telecommunications equipment that documents the details of a telephone call or other telecommunications transactions (e.g., text message) that passes through that ...

, 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 DAB, dab, dabs, or dabbing may refer to: Dictionaries * ''Dictionary of American Biography'', published under the auspices of the American Council of Learned Societies * ''Dictionary of Australian Biography'', published since 1949 Places * Dąb, ...

HD Radio HD Radio (HDR) is a trademark for an in-band on-channel (IBOC) digital radio broadcast technology. It generally simulcasts an existing analog radio station in digital format with less noise and with additional text information. HD Radio is used ...

, DRM+ *

Climate Data Record A Climate Data Record (CDR) is a specific definition of a climate data series, developed by the Committee on Climate Data Records from NOAA Operational Satellites of the National Research Council at the request of NOAA in the context of satellite r ...

, 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 In a Frame Relay network, committed information rate (CIR) is the bandwidth for a virtual circuit guaranteed by an internet service provider to work under normal conditions. Committed data rate (CDR) is the payload portion of the CIR. At any giv ...

* Crash Data Retrieval, a tool for imaging or downloading data from an

Event data recorder An event data recorder (EDR), more specifically motor vehicle event data recorder (MVEDR), similar to an accident data recorder (ADR) sometimes referred to informally as an automotive black box (by analogy with the common nickname for flight reco ...

Computing

CD-R CD-R (Compact disc-recordable) is a digital optical disc storage format. A CD-R disc is a compact disc that can be written once and read arbitrarily many times. CD-R discs (CD-Rs) are readable by most CD readers manufactured prior to the in ...

, 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 A lisp is a speech impairment in which a person misarticulates sibilants (, , , , , , , ). These misarticulations often result in unclear speech. Types * A frontal lisp occurs when the tongue is placed anterior to the target. Interdental lisping ...

CDR coding In computer science CDR coding is a compressed data representation for Lisp linked lists. It was developed and patented by the MIT Artificial Intelligence Laboratory, and implemented in computer hardware in a number of Lisp machines derived from t ...

, in the programming language Lisp * CDR (file format), native to

CorelDRAW CorelDRAW is a vector graphics editor developed and marketed by Corel Corporation. It is also the name of the Corel graphics suite, which includes the bitmap-image editor Corel Photo-Paint as well as other graphics-related programs (see below). T ...

* .cdr, the file extension used for

ISO 9660 ISO 9660 (also known as ECMA-119) is a file system for optical disc media. Being sold by the International Organization for Standardization (ISO) the file system is considered an international technical standard. Since the specification is av ...

disk images created by

Disk Utility A disk utility is a utility program that allows a user to perform various functions on a computer disk, such as disk partitioning and logical volume management, as well as multiple smaller tasks such as changing drive letters and other mount poi ...

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 Content Disarm & Reconstruction (CDR) is a computer security technology for removing potentially malicious code from files. Unlike malware analysis, CDR technology does not determine or detect malware's functionality but removes all file component ...

, 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.

Military

Commander Commander (commonly abbreviated as Cmdr.) is a common naval officer rank. Commander is also used as a rank or title in other formal organizations, including several police forces. In several countries this naval rank is termed frigate captain. ...

, a naval rank *

Commander (United States) In the United States, commander is a military rank that is also sometimes used as a military billet title—the designation of someone who manages living quarters or a base—depending on the branch of service. It is also used as a rank or title i ...

, a US naval military rank * Commander, a

NASA The National Aeronautics and Space Administration (NASA ) is an independent agency of the US federal government responsible for the civil space program, aeronautics research, and space research. NASA was established in 1958, succeeding t ...

Astronaut An astronaut (from the Ancient Greek (), meaning 'star', and (), meaning 'sailor') is a person trained, equipped, and deployed by a human spaceflight program to serve as a commander or crew member aboard a spacecraft. Although generally r ...

designation for the commander of a mission *

Critical design review In the United States military integrated acquisition lifecycle the Technical section has multiple acquisition "Technical Reviews". Technical reviews and audits assist the acquisition and the number and types are tailored to the acquisition. Over ...

, a U.S. government design review in the engineering process

Organizations

Center for the Development of Recycling The Center for the Development of Recycling (CDR) is a university-based, non-profit, environmental research and service organization. The CDR operates the recycling and reuse website RecycleStuff.org for the counties of Santa Clara and San Mateo, a ...

, a recycling service organization at San Jose State University *

Center for Decision Research The University of Chicago Booth School of Business (Chicago Booth or Booth) is the graduate business school of the University of Chicago. Founded in 1898, Chicago Booth is the second-oldest business school in the U.S. and is associated with 10 N ...

, a research group at the University of Chicago Graduate School of Business *

Coalition for the Defence of the Republic The Coalition for the Defence of the Republic (french: Coalition pour la Défense de la République, CDR) was a Rwandan far-right Hutu Power political party that took a major role in inciting the Rwandan genocide. History The CDR was founded in ...

, a Rwandan political party involved in the 1994 Genocide * Committees for the Defense of the Revolution, ("Comités de Defensa de la Revolución") in Cuba and ("Comités de Défense de la Révolution")

Burkina Faso Burkina Faso (, ; , ff, 𞤄𞤵𞤪𞤳𞤭𞤲𞤢 𞤊𞤢𞤧𞤮, italic=no) is a landlocked country in West Africa with an area of , bordered by Mali to the northwest, Niger to the northeast, Benin to the southeast, Togo and Ghana to the ...

* Committee for the Defence of the Revolution (Ghana), see

List of abbreviations in Ghana This is a list of abbreviations commonly used in Ghana and previously in the Gold Coast (British colony), Gold Coast A B C D E F G H I J K L M N O P ...

European Committee of the Regions The European Committee of the Regions (CoR) is the European Union's (EU) assembly of local and regional representatives that provides sub-national authorities (i.e. regions, counties, provinces, municipalities and cities) with a direct voice w ...

, Comité des Régions, an EU organization * Council on Disaster Reduction, of the American Society of Civil Engineers *

Council for Democratic Reform The Council for National Security ( th, คณะมนตรีความมั่นคงแห่งชาติ; ) or CNS ( th, คมช.), formerly known as the Council for Democratic Reform ( th, คณะปฏิรูปการป ...

, a former military junta ruling Thailand *

Lebanese Council for Development and Reconstruction The Council for Development and Reconstruction (CDR) is a Lebanese governmental organisation established in 1977, during the Lebanese civil war, which has taken a major role in the sequence of rebuilding the damaged infrastructure of the country. ...

, organization founded to reconstruct Lebanon in 1977 *

Romanian Democratic Convention The Romanian Democratic Convention ( ro, Convenţia Democrată Română or Convenția Democratică Română; abbreviated CDR) was an electoral alliance of several democratic, anti-Communist, anti-totalitarian, and centre-right political parties ...

, a former Romanian political alliance * County Donegal Railway, a railway that was under the auspices of the

County Donegal Railways Joint Committee The County Donegal Railways Joint Committee operated an extensive narrow gauge railway system serving County Donegal, Ireland, from 1906 until 1960. The committee was incorporated by an Act of Parliament in 1906, which authorised the joint pur ...

Committees for the Defense of the Republic The Committees for the Defence of the Republic ( ca, Comitès de Defensa de la República, links=no), or CDR, previously named Committees for the Defense of the Referendum, are a network of committees that function on a local, regional and national ...

, local assemblies to defend the Catalan Republic

Science and medicine

* Clinical data repository, a medical database system designed to provide a realtime summary of a patient's condition *

Clinical Dementia Rating The Clinical Dementia Rating or CDR is a numeric scale used to quantify the severity of symptoms of dementia (i.e. its 'stage'). Scale Using a structured-interview protocol developed by Charles Hughes, Leonard Berg, John C. Morris and other coll ...

, 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 Complementarity-determining regions (CDRs) are part of the variable chains in immunoglobulins (antibodies) and T cell receptors, generated by B-cells and T-cells respectively, where these molecules bind to their specific antigen. A set of CDRs co ...

, one of six hypervariable loops which determine the antigen specificity of a given antibody * CDR computerized assessment system *

Challenge–dechallenge–rechallenge Challenge–dechallenge–rechallenge (CDR) is a medical testing protocol in which a medicine or drug is administered, withdrawn, then re-administered, while being monitored for adverse effects at each stage. The protocol is used when statistica ...

, 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 The Canadian Agency for Drugs and Technologies in Health, or CADTH, is a Canadian national organisation that provides research and analysis to healthcare decision-makers. The organisation was established in 1989 by the country's federal governme ...

(CADTH) *

Crude death rate Mortality rate, or death rate, is a measure of the number of deaths (in general, or due to a specific cause) in a particular population, scaled to the size of that population, per unit of time. Mortality rate is typically expressed in units of de ...

, a demographic measure of the mortality rate *

Cup-to-disc ratio The optic cup is the white, cup-like area in the center of the optic disc. The ratio of the size of the optic cup to the optic disc (cup-to-disc ratio, or C/D) is one measure used in the diagnosis of glaucoma. Different C/Ds can be measured horizo ...

, relation from cup to disc of the optic disc

Other uses

Chadron Municipal Airport Chadron Municipal Airport is in Dawes County, Nebraska, United States, five miles west of Chadron. It sees one airline, Southern Airways Express, subsidized by the Essential Air Service program. Facilities Chadron Municipal Airport covers 716 ...

, an airport in United States *

Chris Douglas-Roberts Chris Douglas Roberts (born January 8, 1987) is an American former professional basketball player. He played college basketball for the University of Memphis. High school career Douglas-Roberts played high school basketball at Cass Technical Hig ...

, American basketball player * Consumer Data Right, a framework for consumer

data portability Data portability is a concept to protect users from having their data stored in "silos" or "walled gardens" that are incompatible with one another, i.e. closed platforms, thus subjecting them to vendor lock-in and making the creation of data backups ...