| Acronym | Definition |
|---|
| ECD | Early Childhood Development |
| ECD | Energy Citations Database |
| ECD | Electrochemical Deposition |
| ECD | Ethyl Cysteinate Dimer |
| ECD | Electrochemical Detector |
| ECD | Equivalent Current Dipole |
| ECD | Equivalent Circulating Density |
| ECD | Eastern Caribbean Dollar |
| ECD | Ectrodactyly |
| ECD | Electrochemical Deburring (process to remove burrs from metals) |
| ECD | Electronic Controls Design, Inc (Milwaukie, Oregon) |
| ECD | Emission Control Diesel |
| ECD | Equivalent Circle Diameter (measurement) |
| ECD | East Coast Destruction (bicycle motocross clothing; Bethlehem, PA) |
| ECD | Eastern Canadian District (Canada) |
| ECD | Effect Correspondence Diagram |
| ECD | Electrical Critical Dimension |
| ECD | Electron Capture Diameter |
| ECD | E-Commerce and Development Report (UNCTAD) |
| ECD | Error Cluster Distribution |
| ECD | Effective Cut-Off Diameter |
| ECD | Electrochemical Decontamination/Electrodecontamination |
| ECD | Executive Council on Diversity and Worklife (Ford Motor Company) |
| ECD | Emergency Calendar Deleter |
| ECD | Energy Conversion Devices, Incorporated |
| ECD | Element Control/Configuration Document |
| ECD | European Ceiling Designs, Inc. |
| ECD | Effective Candela |
| ECD | Erasures Correcting Decoder |
| ECD | Exchange Cabling Data |
| ECD | endocardial cushing defect |
| ECD | European Communications Division |
| ECD | Exercise Control Directorate |
| ECD | Expected Connection Date |
| ECD | External Computerized Device |
| ECD | Estimated Correction Date |
| ECD | European Convertible Debenture |
| ECD | Environmental Considerations Document |
| ECD | Expect Change Departure to Read |
| ECD | Earliest Completion Date |
| ECD | Extracranial Doppler Sonography |
| ECD | Total Commercial Energy Demand (Carolina Environmental Program) |
| ECD | Equivalent Circuit Diagram |
| ECD | Explosive Containment Device |
| ECD | Electronic Communication Device |
| ECD | Electronic Commerce Directive (UK) |
| ECD | Equine Cushing's Disease |
| ECD | Executive Creative Director (advertising) |
| ECD | European Copyright Directive (EU) |
| ECD | Education and Curriculum Development (various locations) |
| ECD | External Class Description |
| ECD | Energy Centre Denmark (est. 1991) |
| ECD | Environmentally Conscious Design |
| ECD | Electronic Check Deposit (Citibank) |
| ECD | Erdheim-Chester Disease (rare disorder) |
| ECD | Environment and Conservation Division (various locations) |
| ECD | Economic Community Development (various locations) |
| ECD | Electronic Civil Disobedience |
| ECD | Electrochromic Display |
| ECD | English Country Dance |
| ECD | Enhanced Compact Disc |
| ECD | El Confidencial Digital (Spanish: The Digital Confidential; newspaper) |
| ECD | European Catering Distributors |
| ECD | Electron Capture Dissociation |
| ECD | Edelson Clifford D'Angelo (law firm; Ontario, Canada) |
| ECD | Expected Completion Date |
| ECD | Electron Capture Detector |
| ECD | Engineering Change Document |
| ECD | Enhanced Color Display |
| ECD | Entry Control Device |
| ECD | Estimated Completion Date |
| ECD | Energy Conversion Device |
| ECD | Extended Criteria Donor (organ transplantation) |
| ECD | Endothelial Cell Density |