CDA

CDA, Cda, or CdA may refer to:

In education

 * Central Delta Academy, a private school in Mississippi
 * Certified dental assistant, in the United States
 * Child Development Associate, a credential in the early care and education
 * Communicative Disorders Assistant, a credential in assisting a registered Audiologist or Speech Language Pathologist, in Canada
 * Coram Deo Academy, a private Christian school in Flower Mound, Texas

Government agencies

 * Capital Development Authority, a kind of government entity
 * Capital Development Authority (Islamabad), the Capital Development Authority of Pakistan
 * Combined Development Agency, a uranium purchasing authority run by the US and UK government from 1948
 * Canadian Defence Academy, an organization in the Canadian Forces

Laws

 * Communications Decency Act, a US law found partially unconstitutional
 * Crime and Disorder Act 1998, a UK law

Other uses in law and government

 * Chargé d'Affaires
 * Confidential disclosure agreement
 * Criminal defense attorney

Political parties and lobbying groups

 * Christian Democratic Alliance (South Africa)
 * Christian Democrats of America, a Christian democratic organization in the US
 * Christian Democratic Appeal, a Christian democratic party in the Netherlands
 * College Democrats of America, the official youth outreach arm of the US Democratic Party
 * Conservative Democratic Alliance, in the UK

Other organizations

 * Catholic Daughters of the Americas, a Catholic women's charitable organization
 * Canadian Dental Association, an association of dentists in Canada
 * Diabetes Canada, which was known until 2017 as the Canadian Diabetes Association
 * Club de Deportes Antofagasta, a Chilean football club
 * Chinese Daoist Association

In chemistry

 * Chiral derivatizing agent, a type of chemical designed to react with enantiomers to indicate the enantiopurity
 * Completely denatured alcohol, the most heavily denatured alcohol

In computing

 * ".cda", a filename extension for a Compact Disc Audio track
 * Cellular digital accessory, a means to identify the software version of a mobile phone
 * Red Book (audio CD standard), Compact Disc Audio, the standard format for a CD
 * Content Delivery Application, a component of a typical content management system

In health and medicine

 * Canadian Dental Association, an association of dentists in Canada
 * Diabetes Canada, which was known until 2017 as the Canadian Diabetes Association
 * Chlorproguanil/dapsone/artesunate, an antimalarial drug
 * Clinical Document Architecture, a healthcare documentation standard
 * Congenital dyserythropoietic anemia, a blood condition
 * Cytidine deaminase, an enzyme
 * Communicative disorders assistant, a profession

In spaceflight

 * Command and data acquisition station, in spacecraft operations
 * Cosmic dust analyzer, an instrument on the Cassini–Huygens spacecraft

In mathematics

 * Cantor's diagonal argument, a proof technique in set theory

Other uses on science and technology

 * Canonical discriminant analysis, a type of linear discriminant analysis
 * Cda, abbreviation for the orchid genus Cochlioda, a synonym of Oncidium
 * Continuous descent approach, an aircraft approach method designed to reduce fuel burn and noise
 * Controlled droplet application, a concept for improving the efficiency of pesticide application
 * or drag area, the product of the drag coefficient and a reference area
 * , the drag area in automobile aerodynamics
 * Current differencing amplifier, amplifier taking current difference as input and voltage as output

Other uses

 * Caran d'Ache (company), a Swiss fine arts products company
 * Cardinia Road railway station, Melbourne
 * Coeur d'Alene (disambiguation), multiple meanings
 * Compañia Dominicana de Aviación, an airline from the Dominican Republic
 * Critical discourse analysis, in critical theory
 * Chantiers de l'Atlantique, French shipyard
 * Compressed Dry Air, term used in manufacturing and industry

zea:CDA