| Abbreviation | Definition |
|---|---|
| CDM | Collection And Database Management |
| CDM | Core Data Module |
| CDMR | Cochrane Database Of Methodology Reviews |
| CDMS | Cologne Database for Molecular Spectroscopy |
| CDR | Clinical Data Repository |
| CDS | Crashworthiness Data System |
| CDSR | Cochrane Database of Systemic Reviews |
| CEAD | Central European Art Database |
| CEDD | Contactless Energy and Data Distribution |
| CEDI | Collaborative encyclopaedic database interface |
| CEDW | Cameo Enterprise Data Warehouse |
| CEFD | Carbon Emission Factor Database |
| CEHRT | Certified Electronic Health Record Technology |
| CELD | Creation Evolution Literature Database |
| CEM | Consolidation, Extension, and Modification |
| CEMS | Customs Electronic Manifest System |
| CERD | Chinese Engineers Relational Database |
| CEWS | Content Engine Web Service |
| CF | Comma Format |
| CFCT | Cyclic File Characteristics Table |