Compact Disk Certificate of Deposit Compact Disc Committee Draft Carrier Detect Conference on Disarmament Civil Defense Collision Detection Coal Division change directory Concept Definition Call Deflection Circular Dichroism Congressional District Climatological Data Counter-Drug critical dimension cycle day Cadmium cash discount Center Director Certificates of Deposit chemical dependency coefficient of drag Color Display Community Development Consent Decree Calibration Drift Candela Capacitor Diode Capacitor Discharge Cavalry Division Ceiling diffuser center distance Certification Division Chart Datum coal dust Coastal Defense Collection District Combat Development