Main Page | See live article | Alphabetical index CD may be: the symbol for the chemical element cadmium (Cd) the abbreviated form of the SI unit of light intensity, candela an initialism for Cash dispenser (at least used in Japan) a Unix command, see cd (DOS / Unix Command) an abbreviated version of the MS-DOS command chdir - see Cd (DOS / Unix Command) an initialism for Certificate of deposit an initialism for Ceske Drahy -- Czech Railways a designation of a 1960s Panhard race car designed by Charles Deutsch an abbreviation of Civil defense an abbreviation for cluster of differentiation, (e.g. CD4 or CD8 lymphocytes). an initialism for Compact disc; it can also refer to an Enhanced CD. an abbreviation of Corps Diplomatique the ISO country code for the Democratic Republic of the Congo the Internet top-level domain for the Democratic Republic of the Congo, see .cd an abbreviation for Circular dichroism This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.