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electroencephalograph

[ih-lek-troh-en-sef-uh-luh-graf, -grahf]
noun Medicine/Medical.
  1. an instrument for measuring and recording the electric activity of the brain.
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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

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British Dictionary definitions for electroencephalography

electroencephalograph

noun
  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
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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

electroencephalography in Medicine

electroencephalograph

(ĭ-lĕk′trō-ĕn-sĕfə-lə-grăf′)
n.
  1. An instrument that generates a record of the electrical activity of the brain by measuring electric potentials using electrodes attached to the scalp.
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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.