noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   An image produced by means of pneumoencephalography.
2. 2
   an X ray of the brain made by replacing spinal fluid with a gas (usually oxygen) to improve contrast wordnet

Synonyms

All synonyms

encephalogramencephalogram

Etymology

From pneumo- + encephalo- + -gram.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.