[ih-lek-troh-en-sef-uh-luh-graf, -grahf]

Origin of electroencephalograph

First recorded in 1935–40; electro- + encephalograph
Related formse·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. 2018

Examples from the Web for electroencephalograph

Historical Examples of electroencephalograph

British Dictionary definitions for electroencephalograph


  1. 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 Formselectroencephalographic, 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

electroencephalograph in Medicine


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