# necrosis

/nəˈkɹoʊsəs/ (US) · /nɛkɹˈəʊsɪs/ (UK) · CEFR C2 · Noun

Source: https://englishreference.com/word/necrosis
Updated: 2026-05-19

## Definition

the death of cells or tissues in the body that is not caused by a disease or injury. It often happens when the blood supply to an area is cut off.

For teachers: the death of cells or tissues in an organism, typically as a result of disease, injury, or lack of blood supply. It is a form of cell death that is not a programmed process.

## Examples

- The doctor explained that the necrosis was caused by a blocked artery.
- The rapid onset of necrosis in the muscle tissue indicated a severe lack of oxygen, necessitating immediate intervention to prevent systemic complications.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.