cd -abbr

  1. candela
  2. candle
  3. cord

Cd -symbol

  1. cadmium

CD [,sē-'dē] -n

  1. certificate of deposit
  2. a small optical disk usu. containing recorded music or computer data
  3. the content (as music or a computer program) of a CD released as a unit
    • promoting her latest CD
  4. carried down
  5. civil defense
  6. diplomatic corps

CDC -abbr

  1. Centers for Disease Control; Centers for Disease Control and Prevention

CDD -abbr

  1. certificate of disability for discharge

CD4 [,sē-(,)dē-'fȯr] -n

  1. a large glycoprotein that is found on the surface esp. of helper T cells, that is the receptor for HIV, and that usu. functions to facilitate recognition of antigens by helper T cells

Cdn -abbr

  1. Canadian

cDNA ['sē-,dē-(,)en-'ā, ,sē-] -n

  1. a DNA that is complementary to a given RNA which serves as a template for synthesis of the DNA in the presence of reverse transcriptase

CDP -abbr

  1. certificate in data processing

CDR -abbr

  1. commander

CDROM [,sē-,dē-'räm] -n

  1. a CD containing computer data that cannot be altered

CDT -abbr

  1. central daylight time

CDW -abbr

  1. collision damage waiver