from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Death of cells or tissues through injury or disease, especially in a localized area of the body.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The localized death of cells or tissues through injury, disease, or the interruption of blood supply.
from the GNU version of the Collaborative International Dictionary of English
- n. 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.
- n. A disease of trees, in which the branches gradually dry up from the bark to the center.
from The Century Dictionary and Cyclopedia
- n. In pathology, the death of a circumscribed piece of tissue.
- n. In botany, a disease of plants, chiefly found upon the leaves and soft parenchymatous parts.
- n. A disease of the grape, attributed to Bacillus vitivorus.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the localized death of living cells (as from infection or the interruption of blood supply)
Late Latin necrōsis, a causing to die, killing, from Greek nekrōsis, death, from nekroun, to make dead, from nekros, corpse; see nek-1 in Indo-European roots.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Ancient Greek νέκρωσις. (Wiktionary)