necrosis
NounWordNet 3.0
Noun (1)
- the localized death of living cells (as from infection or the interruption of blood supply)Synonyms: mortificationgangrenesphacelus
Webster's Dictionary (GCIDE)
Necrosis \Ne*cro"sis\ (n[-e]*kr[=o]"s[i^]s), n. [NL., fr. Gr. ne`krwsis, fr. nekruy^n to make dead, to mortify, nekro`s a dead body.]
1.(Med.) The pathologic death of part of a tissue due to irreversible damage. Contrast to necrobiosis, which is a normal death of cells in a tissue. Formerly, applied primarily to death of bone tissue. [1913 Webster +PJC]
2.(Bot.) A disease of trees, in which the branches gradually dry up from the bark to the center. [1913 Webster]