CDT or CdT may refer to:

Medicine

  • Carbohydrate deficient transferrin, a transporter protein isoform typically increased in alcoholism
  • Compulsory drug test
  • Current Dental Terminology, a coding system of the American Dental Association
  • Cytolethal distending toxin, a bacterial genotoxin produced by Gram-negative bacteria
  • Clock drawing test
  • Clostridioides Difficile Toxin test that detects Clostridioides difficile toxin A and Clostridioides difficile toxin B

Chemistry

  • Cyclododecatriene, a cycloalkene used in the production of polyamides

Organisations

  • Canadian Deaf Theatre
  • CD Tenerife (Club Deportivo Tenerife), a Spanish football club
  • C.D. Tondela (Clube Desportivo de Tondela), a Portuguese football club
  • Center for Democracy and Technology
  • Centre for Doctoral Training or Doctoral Training Centre, an organisation of PhD programmes at UK universities
  • Children's Dance Theatre, University of Utah
  • China Datang Corporation, a power generation business in the People's Republic of China
  • China Digital Times, a bilingual news website covering Chinese politics
  • Confédération Démocratique du Travail:
  • Democratic Confederation of Labour (DRC), a trade union in the Democratic Republic of the Congo
  • Democratic Confederation of Labour (Morocco), a trade union
  • Crimson Dance Team, of Harvard College
  • Translation Centre for the Bodies of the European Union (Centre de Traduction des Organes de l'Union Européenne)

Other

  • Cañon Diablo troilite (pyrrhotite), a standard for comparing sulfur isotopes
  • Causal dynamical triangulation, an approach to quantum gravity
  • Causal decision theory, a school of thought within decision theory
  • Central Daylight Time
  • Australia Central Daylight Time, a time zone in Australia
  • Central Daylight Time, observed in the North American Central Time Zone
  • launch countdown time used by ISRO (similar to Mission Elapsed Time)
  • CDT (TV station), a TV station in remote eastern and central Australia
  • Centre Daily Times, a newspaper for Centre County, Pennsylvania
  • Commandant, military title
  • Conceptual dependency theory
  • Constrained Delaunay triangulation
  • Continental Divide Trail
  • Craft, Design and Technology, a subject in schools in the United Kingdom
  • Eclipse C/C++ Development Tooling, see Eclipse (software)
  • IATA code of Castellón–Costa Azahar Airport
  • MRT station abbreviation of Caldecott MRT station
  • Colorado Department of Transportation