What does C.D. stand for?

What does C.D. mean?

CD	Child Development Miscellaneous » Unclassified
CD	Democratic Republic of the Congo Regional » Countries
CD	Collect Data Miscellaneous » Unclassified
CD	Critical Dimension Governmental » NASA
CD	Change Directories Computing » General
CD	Continuing Development Community » Educational
CD	Critical Dimension Academic & Science » Electronics
CD	Critical Dimension Governmental » Transportation
CD	Critical Dimension Governmental » Military
CD	Cable Driver Governmental » Military
CD	Content Delivery Internet
CD	Communications Division Governmental » Police
CD	Counter Drug Governmental » Military
CD	Communications Department Business » General
CD	Conference on Disarmament Governmental » Military
CD	Cendant Corporation Business » NYSE Symbols
CD	Cross Dresser Internet » Chat
CD	Can't Deliver Business » General
CD	Cursor Down Computing » Assembly
CD	Cluster of Differentiation Academic & Science » Mathematics
CD	Congressional District Miscellaneous » Unclassified
CD	Carrier Detect Computing » Telecom
CD	Controlled Delivery Medical » Laboratory
CD	Civil Disobedience Miscellaneous » Unclassified
CD	Companion Dog Miscellaneous » Dogs Related