electroencephalograph
/ɪˌlɛktroʊɪnˈsɛfələˌɡræf/
noun
- A machine that records the electrical activity of the brain, used in medical tests.
- Hospitals often have an electroencephalograph in the neurology department.
- The doctor used an electroencephalograph to check the patient's brain waves.
- The technician calibrated the electroencephalograph before the test began.
Synonyms