Source : WordNet®

Cf
     n 1: a radioactive transuranic element; discovered by bombarding
          curium with alpha particles [syn: {californium}, {atomic
          number 98}]
     2: the most common congenital disease; the child's lungs and
        intestines and pancreas become clogged with thick mucus;
        caused by defect in a single gene; there is no cure [syn:
        {cystic fibrosis}, {fibrocystic disease of the pancreas},
        {pancreatic fibrosis}, {mucoviscidosis}]

Source : Free On-Line Dictionary of Computing

cf
     
         The {country code} for the Central African
        Republic.
     
        (1999-01-27)