GNU Collaborative International Dictionary of English

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  1.       
‖Necrosis (nḗ‑krōˈsĭs), n. [NL., fr. Gr. νέκρωσις, fr. νεκροῦν to make dead, to mortify, νεκρός 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]

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