encephalogram

[en-sef-uh-luh-gram]
noun Medicine/Medical.
an x-ray of the brain, usually involving replacement of some cerebrospinal fluid by air or other gas that circulates to the brain's ventricular spaces and acts as a contrast medium.

Origin:
1925–30; encephalo- + -gram1

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World English Dictionary
encephalogram (ɛnˈsɛfələˌɡræm)
 
n
1.  an X-ray photograph of the brain, esp one (a pneumoencephalogram) taken after replacing some of the cerebrospinal fluid with air or oxygen so that the brain cavities show clearly
2.  short for electroencephalogram

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

encephalogram en·ceph·a·lo·gram (ěn-sěf'ə-lə-grām', -ə-lō-)
n.

  1. An x-ray picture of the brain taken by encephalography.

  2. An electroencephalogram.

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Example sentences
Diagnosis or an encephalogram consistent with a diagnosis of seizure disorders other than partial epilepsy.
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