Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun encephalogram

2 senses of encephalogram

Sense 1
electroencephalogram, encephalogram, EEG -- (a graphical record of electrical activity of the brain; produced by an electroencephalograph)
       => graph, graphical record -- (a visual representation of the relations between certain quantities plotted with reference to a set of axes)

Sense 2
encephalogram, pneumoencephalogram -- (an X ray of the brain made by replacing spinal fluid with a gas (usually oxygen) to improve contrast)
       => roentgenogram, X ray, X-ray, X-ray picture, X-ray photograph -- (a radiogram made by exposing photographic film to X rays; used in medical diagnosis)