- 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 of encephalogram
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- 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
- short for electroencephalogram
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
- An x-ray picture of the brain taken by encephalography.
- An electroencephalogram.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.