Encephalogram

1 definition found

From WordNet (r) 2.0 [wn]:

  encephalogram
       n 1: a graphical record of electrical activity of the brain;
            produced by an electroencephalograph [syn: {electroencephalogram},
             {EEG}]
       2: an X ray of the brain made by replacing spinal fluid with a
          gas (usually oxygen) to improve contrast [syn: {pneumoencephalogram}]