/ Dictionary / Index E encephalogram: Meaning and Definition of Find definitions for: en•ceph•a•lo•gram Pronunciation: (en-sef'u-lu-gram"), [key] — n. Med. 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. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: encephalogram (Thesaurus) encephalo- encephalograph Related Content Daily Word Quiz: philtrum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language