[ ih-lek-troh-en-sef-uh-luh-graf, -grahf ]
/ ɪˌlɛk troʊ ɛnˈsɛf ə ləˌgræf, -ˌgrɑf /

noun Medicine/Medical.

an instrument for measuring and recording the electric activity of the brain.

Origin of electroencephalograph

First recorded in 1935–40; electro- + encephalograph

OTHER WORDS FROM electroencephalograph

e·lec·tro·en·ceph·a·lo·graph·ic [ih-lek-troh-en-sef-uh-luh-graf-ik] /ɪˌlɛk troʊ ɛnˌsɛf ə ləˈgræf ɪk/, e·lec·tro·en·ceph·a·lo·graph·i·cal, adjectivee·lec·tro·en·ceph·a·lo·graph·i·cal·ly, adverbe·lec·tro·en·ceph·a·log·ra·phy [ih-lek-troh-en-sef-uh-log-ruh-fee] /ɪˌlɛk troʊ ɛnˌsɛf əˈlɒg rə fi/, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Examples from the Web for electroencephalograph

  • A peculiar mixture of radio and the electroencephalograph, I think.

  • The Attison Detector was developed, a cross between radar and the electroencephalograph.

    The Hour of Battle|Robert Sheckley

British Dictionary definitions for electroencephalograph

/ (ɪˌlɛktrəʊɛnˈsɛfələˌɡrɑːf, -ˌɡræf) /


an instrument for recording the electrical activity of the brain, usually by means of electrodes placed on the scalp: used to diagnose tumours of the brain, to study brain waves, etcAbbreviation: EEG See also brain wave

Derived forms of electroencephalograph

electroencephalographic, adjectiveelectroencephalographically, adverbelectroencephalography (ɪˌlɛktrəʊɛnˌsɛfəˈlɒɡrəfɪ), noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for electroencephalograph

[ ĭ-lĕk′trō-ĕn-sĕfə-lə-grăf′ ]


An instrument that generates a record of the electrical activity of the brain by measuring electric potentials using electrodes attached to the scalp.

Other words from electroencephalograph

e•lec′tro•en•ceph′a•lo•graphic adj.e•lec′tro•en•ceph′a•logra•phy (-lŏgrə-fē) n.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.