encephalogram

American  

[en-sef-uh-luh-gram] / ɛnˈsɛf ə ləˌgræm /

noun

Medicine/Medical.

1. 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.

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encephalogram British  

/ ɛnˈsɛfələˌɡræm /

noun

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

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Etymology

Origin of encephalogram

First recorded in 1925–30; encephalo- + -gram ¹

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