echoencephalograph

/ˌɛkoʊɛnˈsɛfələˌɡræf/
noun
  1. A machine used to perform an echoencephalogram, producing images of the brain using sound waves.
    • The technician adjusted the echoencephalograph before starting the scan.
    • Hospitals use an echoencephalograph to diagnose head injuries quickly.
    • The echoencephalograph displayed a clear image of the patient's brain.