CTD

CTD may refer to:

Medicine

• Carnitine transporter deficiency, an inborn error of fatty acid transport
• Comparative Toxicogenomics Database, an online research tool describing chemical-gene-disease interactions
• CTD (chemotherapy), a combination of the drugs cyclophosphamide, thalidomide, and dexamethasone
• Common Technical Document, an internationally agreed format for drug approvals
• Connective tissue disease
• Circling the Drain, acronym relating to those on the way out

Music

• Crash Test Dummies, a Canadian rock band from Winnipeg, Manitoba

Science

• Comparative Toxicogenomics Database, an online research tool describing chemical-gene-disease interactions
• CTD (instrument), in oceanography, used to determine conductivity, temperature, and depth
• Carboxy-Terminal Domain, the end of an amino acid chain which has specialized functions in some proteins
• Church–Turing–Deutsch principle, in computer science, relates to the universality of simulation

IT (Information Technology)

• Crash to desktop
• Continuous Threat Detection

Other

• CBS Television Distribution
• Central de Trabajadores Democráticos, a trade union centre in El Salvador
• Continued, a word
• Counter Terrorism Department, Pakistani agency for counter terrorism
• FBI Counterterrorism Division, the United States Federal Bureau of Investigation's anti-terrorism division
• Cummins Turbo Diesel, acronym for an engine genre