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

In law and government

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
• Contagious Diseases Acts, three UK laws

Other uses in law and government

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

Organizations

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
• Chittagong Development Authority
• Club de Deportes Antofagasta, a Chilean football club
• Chinese Daoist Association

In science and technology

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
• CdA or drag area, the product of the drag coefficient and a reference area
  • CdA, the drag area in automobile aerodynamics
• Current differencing amplifier, amplifier taking current difference as input and voltage as output

Other uses

• Child Detection Agency, in Disney Pixar Monster's Inc.
• 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