magnetoencephalogramn.
/maɡˌniːtəʊɛnˈsɛfl̩əɡram/, /maɡˌniːtəʊɛnˈkɛfl̩əɡram/, /maɡˌniːtəʊɛŋˈkɛfl̩əɡram/, U.S. /mæɡˌnɛdoʊᵻnˈsɛfələˌɡræm/, /mæɡˌnɛdoʊɛnˈsɛfələˌɡræm/, /mæɡˌnidoʊᵻnˈsɛfələˌɡræm/, /mæɡˌnidoʊɛnˈsɛfələˌɡræm/ The record or image produced by magnetoencephalography.
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the world > health and disease > healing > diagnosis or prognosis > specific measuring or recording > [noun] > specific record
cardiogram1871
angiogram1877
myogram1882
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pneumatogram1890
electrocardiogram1895
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angiograph1934
electroencephalogram1934
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echoencephalogram1956
spirogram1956
magnetocardiogram1963
electronystagmogram1965
echocardiogram1966
magnetoencephalogram1968
tympanogram1969
1968 D. Cohen in Science 23 Aug. 785/3 The EEG signal was stored separately but simultaneously with the magnetoencephalogram (MEG).
1992 Electroencephalography & Clin. Neurophysiol. 82 266 The magnetoencephalogram was used to detect regional changes in spontaneous cortical activity accompanying short-term memory search.
This is a new entry (OED Third Edition, March 2000; most recently modified version published online March 2022).
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n.1968