• synonyms


[uhm-bil-i-key-shuh n]
  1. a central navellike depression.
  2. an umbilicate condition or formation.
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Origin of umbilication

First recorded in 1870–75; umbilic(us) + -ation
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for umbilication

Historical Examples

  • This umbilication in the vesicular stage is somewhat peculiar.

    A System of Practical Medicine by American Authors, Vol. I


  • Umbilication rapidly occurs at the apex, and simultaneously their contents become lactescent and gradually sero-purulent.

British Dictionary definitions for umbilication


  1. biology anatomy a navel-like notch or depression, as in the centre of a vesicle
  2. the condition of being umbilicated
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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

umbilication in Medicine


  1. A pit or navellike depression.
  2. Formation of a depression at the apex of a papule, vesicle, or pustule.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.