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pneumoencephalography

noun

A former medical procedure in which most of the cerebrospinal fluid was drained from around the brain and replaced with air, oxygen, or helium to allow the structure of the brain to show up more clearly on an X-ray image.

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Meanings

nounpneumoencephalography (countable and uncountable, plural pneumoencephalographies, abbreviation PEG)

plural pneumoencephalographies · abbreviation PEG

countableobsoleteuncountablemedicineA former medical procedure in which most of the cerebrospinal fluid was drained from around the brain and replaced with air, oxygen, or helium to allow the structure of the brain to show up more clearly on an X-ray image.

Origin

From pneumo- + encephalo- + -graphy.

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Rhymes & wordplay

Rhymes with pneumoencephalography

Cite this entry

APA

pneumoencephalography. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/pneumoencephalography

MLA

“pneumoencephalography.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/pneumoencephalography. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “pneumoencephalography,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/pneumoencephalography.

Source: pneumoencephalography on Wiktionary, CC BY-SA 4.0.