| item | description | category | filter | more on... |
| ZDC | Washington, DC, Air Route Traffic Control Center (Leesburg, Virginia) USA | Regional/Airport Codes |
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| ZDC | Zeller Development Corporation | Business/Firms |
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| ZDC | Zenith Design Company | Business/Firms |
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| ZDC | Zero Degree Calorimeter | Edu./Chemistry |
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| ZDC | Zero Degree Calorimeter | Edu./Physics |
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| ZDC | Zike Data Classes | IT/General |
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