Necrosis
Pronunciation : Ne*cro"sis
Part of Speech : n.
Etymology : [NL., fr. gr.
Definition : 1. (med.)
Defn: Mortification or gangrene of bone, or the death of a bone or portion of a bone in mass, as opposed to its death by molecular disintegration. See Caries.
2. (Bot.)
Defn: A disease of trees, in which the branches gradually dry up from the bark to the center.
Source : Webster's Unabridged Dictionary, 1913