Electroencephalograph

//əˌlɛktɹoʊ.ənˈsɛfələˌɡɹæf// noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    An instrument used for recording electrical brain activity.
  2. 2
    medical instrument that records electric currents generated by the brain wordnet

Synonyms

All synonyms
deviceinstrumentradiogramroentgenographsyringex ray

Example

More examples

"To obtain the sound-stimulated brainwave patterns, Pasley used a device called an electroencephalograph, which measures the electrical firing of the patients' auditory circuits through electrodes already implanted in the patients' brains when they hear spoken words."

Etymology

From electro- + encephalograph.

Related phrases

alpha wavebeta wave

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.