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pneumoencephalogram

American  
[noo-moh-en-sef-uh-luh-gram, nyoo-] / ˌnu moʊ ɛnˈsɛf ə ləˌgræm, ˌnyu- /

noun

Medicine/Medical.

  1. an encephalogram made after the replacement of the cerebrospinal fluid by air or gas, rarely used since the development of the CAT scanner.

pneumoencephalogram British  
/ ˌnjuːməʊɛnˌsɛfəˈlɒɡrəfɪ, ˌnjuːməʊɛnˈsɛfələˌɡræm /

noun

  1. See encephalogram

"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

Other Word Forms

  • pneumoencephalography noun

Etymology

Origin of pneumoencephalogram

First recorded in 1930–35; pneumo- + encephalogram

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.