CCD

Science and technology

Charge-coupled device, an electronic light sensor used in various devices including digital cameras
.ccd, the filename extension for CloneCD's CD image file
Carbonate compensation depth, a property of oceans
Colony collapse disorder, a phenomenon involving the abrupt disappearance of honey bees in a beehive or Western honey bee colony
centicandela (ccd), an SI unit of luminous intensity denoting one hundredth of a candela
Central composite design, an experimental design in response surface methodology for building a second order model for a response variable without a complete three-level factorial
Complementary cumulative distribution function
Continuous collision detection, especially in rigid-body dynamics
Countercurrent distribution, used for separating mixtures
Core complex die, an element of AMD Zen 2 and later microprocessor architectures

Canine compulsive disorder, a behavioral condition in dogs, similar to human obsessive-compulsive disorder (OCD)
Caput-collum-diaphyseal angle, the angle between the neck and the shaft of the femur in the hip
Cleidocranial dysostosis (also called cleidocranial dysplasia), a genetic abnormality in humans
Central core disease, a rare neuromuscular disorder
Congenital chloride diarrhea, a rare disorder in babies
Continuity of Care Document, an XML-based markup standard for patient medical document exchange
Cross-reactive carbohydrate determinants, protein-linked carbohydrate structures that have a role in the phenomenon of cross-reactivity in allergic patients
Cortical collecting duct, a segment of the kidney

Census county division, a term used by the US Census Bureau
Center City District, an economic development agency for the Center City area of Philadelphia
Consular Consolidated Database, a database used for visa processing by the Bureau of Consular Affairs, US Department of State

Confraternity of Christian Doctrine, a religious instruction program of the Catholic Church

Community College of Denver, a public college in Denver, Colorado
Cincinnati Country Day School, a non-parochial, private school in Indian Hill, Ohio

Centro Cristiano Democratico (Christian Democratic Centre), a defunct Italian political party