Compare necrosis.

Origin of necrobiosis

First recorded in 1875–80; necro- + -biosis
Related formsnec·ro·bi·ot·ic [nek-roh-bahy-ot-ik] /ˌnɛk roʊ baɪˈɒt ɪk/, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for necrobiosis


  1. physiol the normal degeneration and death of cellsCompare necrosis
Derived Formsnecrobiotic (ˌnɛkrəʊbaɪˈɒtɪk), adjective
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

necrobiosis in Medicine


  1. Physiological or normal death of cells or tissues as a result of changes associated with development, aging, or use.
  2. Necrosis of a small area of tissue.bionecrosis
Related formsnec′ro•bi•otic (-ŏtĭk) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.