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[nuh-kroh-sis, ne-] /nəˈkroʊ sɪs, nɛ-/
death of a circumscribed portion of animal or plant tissue.
Origin of necrosis
1655-65; < New Latin < Greek nékrōsis mortification, state of death. See necr(o)-, -osis
Related forms
[nuh-krot-ik, ne-] /nəˈkrɒt ɪk, nɛ-/ (Show IPA),
postnecrotic, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for necrosis
Historical Examples
  • necrosis of bone may be the result of any injury, such as severe blows, or pricks and stabs.

    Diseases of the Horse's Foot Harry Caulton Reeks
  • necrosis of the bones of the nose may take place, in which case the discharge becomes peculiarly offensive.

    Manual of Surgery Alexis Thomson and Alexander Miles
British Dictionary definitions for necrosis


the death of one or more cells in the body, usually within a localized area, as from an interruption of the blood supply to that part
death of plant tissue due to disease, frost, etc
Derived Forms
necrotic (nɛˈkrɒtɪk) adjective
Word Origin
C17: New Latin from Greek nekrōsis, from nekroun to kill, from nekros corpse
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
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Word Origin and History for necrosis

"death of bodily tissue," 1660s, from Greek nekrosis "a becoming dead, state of death," from nekroun "make dead," from nekros "dead body" (see necro-). Related: Necrotic.

Online Etymology Dictionary, © 2010 Douglas Harper
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necrosis in Medicine

necrosis ne·cro·sis (nə-krō'sĭs, ně-)
n. pl. ne·cro·ses (-sēz')
Death of cells or tissues through injury or disease, especially in a localized area of the body.

ne·crot'ic (-krŏt'ĭk) adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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necrosis in Science
The death of cells or tissues from severe injury or disease, especially in a localized area of the body. Causes of necrosis include inadequate blood supply (as in infarcted tissue), bacterial infection, traumatic injury, and hyperthermia.

necrotic adjective (nə-krŏt'ĭk)
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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