[nuh-kroh-sis, ne-]
See more synonyms for necrosis on

Origin of necrosis

1655–65; < New Latin < Greek nékrōsis mortification, state of death. See necr(o)-, -osis
Related formsne·crot·ic [nuh-krot-ik, ne-] /nəˈkrɒt ɪk, nɛ-/, adjectivepost·ne·crot·ic, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for necrosis

Historical Examples of necrosis

  • 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


  1. 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
  2. death of plant tissue due to disease, frost, etc
Derived Formsnecrotic (nɛˈkrɒtɪk), adjective

Word Origin for necrosis

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

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

necrosis in Medicine


n. pl. ne•cro•ses (-sēz′)
  1. Death of cells or tissues through injury or disease, especially in a localized area of the body.
Related formsne•crotic (-krŏtĭk) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

necrosis in Science


  1. 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.
Related formsnecrotic adjective (nə-krŏtĭk)
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.