[ an-en-sef-uh-lee ]
/ ˌæn ɛnˈsɛf ə li /

noun Medicine/Medical.

congenital absence of part or all of the brain.



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Also an·en·ce·pha·lia [an-en-suh-feyl-yuh, an-en-] /ˌæn ɛn səˈfeɪl yə, ænˌɛn-/.

Origin of anencephaly

From New Latin, dating back to 1825–35; see origin at an-1, encephal-, -y3

OTHER WORDS FROM anencephaly

an·en·ce·phal·ic [an-en-suh-fal-ik, an-en-] /ˌæn ɛn səˈfæl ɪk, ænˌɛn-/, an·en·ceph·a·lous, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for anencephalic

British Dictionary definitions for anencephalic

/ (ˌænɛnsəˈfælɪk) /


born with no or only a partial brain

Derived forms of anencephalic

anencephaly (ˌænɛnˈsɛfəlɪ), noun

Word Origin for anencephalic

an- + encephalic
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

Medical definitions for anencephalic

[ ăn′ən-sĕfə-lē ]


Congenital absence of most of the brain and spinal cord.

Other words from anencephaly

an′en•ce•phalic (-sə-fălĭk) null adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.