Ne*cro"sis(n*kr"ss), 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]
(Bot.) A disease of trees, in which the branches gradually dry up from the bark to the center.
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Fri 14th December 2018